Home / 506,639,202.64-699,156,755.86-283,622,715.88

Finding the Fourth Proportional to 506,639,202.64, 699,156,755.86 and 283,622,715.88

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Solution

The fourth proportional to 506,639,202.64, 699,156,755.86 and 283,622,715.88 is: 391,396,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,639,202.64 : 699,156,755.86 = 283,622,715.88 : x
  2. Step 2: Convert to fraction form
    506,639,202.64/699,156,755.86 = 283,622,715.88/x
  3. Step 3: Cross multiply
    506,639,202.64x = 699,156,755.86 × 283,622,715.88
  4. Step 4: Simplify right side
    506,639,202.64x = 198,296,737,922,863,296
  5. Step 5: Solve for x
    x = 198,296,737,922,863,296/506,639,202.64
  6. Step 6: Final answer
    x = 391,396,356.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.