Home / 425,788,350.57-638,678,267.96-134,655,522.93

Finding the Fourth Proportional to 425,788,350.57, 638,678,267.96 and 134,655,522.93

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Solution

The fourth proportional to 425,788,350.57, 638,678,267.96 and 134,655,522.93 is: 201,981,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,788,350.57 : 638,678,267.96 = 134,655,522.93 : x
  2. Step 2: Convert to fraction form
    425,788,350.57/638,678,267.96 = 134,655,522.93/x
  3. Step 3: Cross multiply
    425,788,350.57x = 638,678,267.96 × 134,655,522.93
  4. Step 4: Simplify right side
    425,788,350.57x = 86,001,556,155,507,200
  5. Step 5: Solve for x
    x = 86,001,556,155,507,200/425,788,350.57
  6. Step 6: Final answer
    x = 201,981,937.83

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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.