Home / 639,738,000.11-959,607,000.17-536,425,869.71

Finding the Fourth Proportional to 639,738,000.11, 959,607,000.17 and 536,425,869.71

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Solution

The fourth proportional to 639,738,000.11, 959,607,000.17 and 536,425,869.71 is: 804,638,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,738,000.11 : 959,607,000.17 = 536,425,869.71 : x
  2. Step 2: Convert to fraction form
    639,738,000.11/959,607,000.17 = 536,425,869.71/x
  3. Step 3: Cross multiply
    639,738,000.11x = 959,607,000.17 × 536,425,869.71
  4. Step 4: Simplify right side
    639,738,000.11x = 514,758,019,647,724,864
  5. Step 5: Solve for x
    x = 514,758,019,647,724,864/639,738,000.11
  6. Step 6: Final answer
    x = 804,638,804.57

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1.5x scale

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.