Home / 653,057,051.94-977,284,788.30-407,529,210.42

Finding the Fourth Proportional to 653,057,051.94, 977,284,788.30 and 407,529,210.42

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Solution

The fourth proportional to 653,057,051.94, 977,284,788.30 and 407,529,210.42 is: 609,858,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,057,051.94 : 977,284,788.30 = 407,529,210.42 : x
  2. Step 2: Convert to fraction form
    653,057,051.94/977,284,788.30 = 407,529,210.42/x
  3. Step 3: Cross multiply
    653,057,051.94x = 977,284,788.30 × 407,529,210.42
  4. Step 4: Simplify right side
    653,057,051.94x = 398,272,098,131,375,872
  5. Step 5: Solve for x
    x = 398,272,098,131,375,872/653,057,051.94
  6. Step 6: Final answer
    x = 609,858,046.78

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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.