Home / 1,159,575,377.10-1,739,363,065.65-393,670,481.10

Finding the Fourth Proportional to 1,159,575,377.10, 1,739,363,065.65 and 393,670,481.10

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Solution

The fourth proportional to 1,159,575,377.10, 1,739,363,065.65 and 393,670,481.10 is: 590,505,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,575,377.10 : 1,739,363,065.65 = 393,670,481.10 : x
  2. Step 2: Convert to fraction form
    1,159,575,377.10/1,739,363,065.65 = 393,670,481.10/x
  3. Step 3: Cross multiply
    1,159,575,377.10x = 1,739,363,065.65 × 393,670,481.10
  4. Step 4: Simplify right side
    1,159,575,377.10x = 684,735,894,862,006,400
  5. Step 5: Solve for x
    x = 684,735,894,862,006,400/1,159,575,377.10
  6. Step 6: Final answer
    x = 590,505,721.65

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Half scale
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Double scale
Find fourth proportional to 1,159,575,378.10, 1,739,363,067.15 and 393,670,482.10
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.