Home / 497,785,515.80-746,678,273.70-342,817,320.20

Finding the Fourth Proportional to 497,785,515.80, 746,678,273.70 and 342,817,320.20

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Solution

The fourth proportional to 497,785,515.80, 746,678,273.70 and 342,817,320.20 is: 514,225,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,785,515.80 : 746,678,273.70 = 342,817,320.20 : x
  2. Step 2: Convert to fraction form
    497,785,515.80/746,678,273.70 = 342,817,320.20/x
  3. Step 3: Cross multiply
    497,785,515.80x = 746,678,273.70 × 342,817,320.20
  4. Step 4: Simplify right side
    497,785,515.80x = 255,974,244,841,396,160
  5. Step 5: Solve for x
    x = 255,974,244,841,396,160/497,785,515.80
  6. Step 6: Final answer
    x = 514,225,980.30

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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.