Home / 1,010,405,371.20-1,515,608,056.80-683,888,020.80

Finding the Fourth Proportional to 1,010,405,371.20, 1,515,608,056.80 and 683,888,020.80

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Solution

The fourth proportional to 1,010,405,371.20, 1,515,608,056.80 and 683,888,020.80 is: 1,025,832,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,405,371.20 : 1,515,608,056.80 = 683,888,020.80 : x
  2. Step 2: Convert to fraction form
    1,010,405,371.20/1,515,608,056.80 = 683,888,020.80/x
  3. Step 3: Cross multiply
    1,010,405,371.20x = 1,515,608,056.80 × 683,888,020.80
  4. Step 4: Simplify right side
    1,010,405,371.20x = 1,036,506,194,273,485,824
  5. Step 5: Solve for x
    x = 1,036,506,194,273,485,824/1,010,405,371.20
  6. Step 6: Final answer
    x = 1,025,832,031.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.