Home / 1,400,290,963.26-1,932,511,685.34-797,487,074.76

Finding the Fourth Proportional to 1,400,290,963.26, 1,932,511,685.34 and 797,487,074.76

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Solution

The fourth proportional to 1,400,290,963.26, 1,932,511,685.34 and 797,487,074.76 is: 1,100,594,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,290,963.26 : 1,932,511,685.34 = 797,487,074.76 : x
  2. Step 2: Convert to fraction form
    1,400,290,963.26/1,932,511,685.34 = 797,487,074.76/x
  3. Step 3: Cross multiply
    1,400,290,963.26x = 1,932,511,685.34 × 797,487,074.76
  4. Step 4: Simplify right side
    1,400,290,963.26x = 1,541,153,090,881,314,048
  5. Step 5: Solve for x
    x = 1,541,153,090,881,314,048/1,400,290,963.26
  6. Step 6: Final answer
    x = 1,100,594,898.72

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Half scale
Find fourth proportional to 2,800,581,926.52, 3,865,023,370.68 and 1,594,974,149.52
Double scale
Find fourth proportional to 1,400,290,964.26, 1,932,511,686.72 and 797,487,075.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.