Home / 498,743,962.80-748,133,051.40-153,694,849.20

Finding the Fourth Proportional to 498,743,962.80, 748,133,051.40 and 153,694,849.20

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Solution

The fourth proportional to 498,743,962.80, 748,133,051.40 and 153,694,849.20 is: 230,547,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,743,962.80 : 748,133,051.40 = 153,694,849.20 : x
  2. Step 2: Convert to fraction form
    498,743,962.80/748,133,051.40 = 153,694,849.20/x
  3. Step 3: Cross multiply
    498,743,962.80x = 748,133,051.40 × 153,694,849.20
  4. Step 4: Simplify right side
    498,743,962.80x = 114,984,196,516,458,832
  5. Step 5: Solve for x
    x = 114,984,196,516,458,832/498,743,962.80
  6. Step 6: Final answer
    x = 230,547,545.62

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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.