Home / 648,904,179.70-973,356,281.85-157,614,139.11

Finding the Fourth Proportional to 648,904,179.70, 973,356,281.85 and 157,614,139.11

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Solution

The fourth proportional to 648,904,179.70, 973,356,281.85 and 157,614,139.11 is: 236,421,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,904,179.70 : 973,356,281.85 = 157,614,139.11 : x
  2. Step 2: Convert to fraction form
    648,904,179.70/973,356,281.85 = 157,614,139.11/x
  3. Step 3: Cross multiply
    648,904,179.70x = 973,356,281.85 × 157,614,139.11
  4. Step 4: Simplify right side
    648,904,179.70x = 153,414,712,411,098,272
  5. Step 5: Solve for x
    x = 153,414,712,411,098,272/648,904,179.70
  6. Step 6: Final answer
    x = 236,421,211.65

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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.