Home / 354,417,778.40-531,864,440.40-124,386,418.40

Finding the Fourth Proportional to 354,417,778.40, 531,864,440.40 and 124,386,418.40

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Solution

The fourth proportional to 354,417,778.40, 531,864,440.40 and 124,386,418.40 is: 186,663,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,417,778.40 : 531,864,440.40 = 124,386,418.40 : x
  2. Step 2: Convert to fraction form
    354,417,778.40/531,864,440.40 = 124,386,418.40/x
  3. Step 3: Cross multiply
    354,417,778.40x = 531,864,440.40 × 124,386,418.40
  4. Step 4: Simplify right side
    354,417,778.40x = 66,156,712,815,676,264
  5. Step 5: Solve for x
    x = 66,156,712,815,676,264/354,417,778.40
  6. Step 6: Final answer
    x = 186,663,076.31

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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.