Home / 621,986,688.12-932,982,587.16-155,646,841.50

Finding the Fourth Proportional to 621,986,688.12, 932,982,587.16 and 155,646,841.50

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Solution

The fourth proportional to 621,986,688.12, 932,982,587.16 and 155,646,841.50 is: 233,470,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,986,688.12 : 932,982,587.16 = 155,646,841.50 : x
  2. Step 2: Convert to fraction form
    621,986,688.12/932,982,587.16 = 155,646,841.50/x
  3. Step 3: Cross multiply
    621,986,688.12x = 932,982,587.16 × 155,646,841.50
  4. Step 4: Simplify right side
    621,986,688.12x = 145,215,792,865,952,448
  5. Step 5: Solve for x
    x = 145,215,792,865,952,448/621,986,688.12
  6. Step 6: Final answer
    x = 233,470,901.61

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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.