Home / 436,563,000.90-654,844,501.35-393,516,279.90

Finding the Fourth Proportional to 436,563,000.90, 654,844,501.35 and 393,516,279.90

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Solution

The fourth proportional to 436,563,000.90, 654,844,501.35 and 393,516,279.90 is: 590,274,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,563,000.90 : 654,844,501.35 = 393,516,279.90 : x
  2. Step 2: Convert to fraction form
    436,563,000.90/654,844,501.35 = 393,516,279.90/x
  3. Step 3: Cross multiply
    436,563,000.90x = 654,844,501.35 × 393,516,279.90
  4. Step 4: Simplify right side
    436,563,000.90x = 257,691,972,084,222,528
  5. Step 5: Solve for x
    x = 257,691,972,084,222,528/436,563,000.90
  6. Step 6: Final answer
    x = 590,274,419.85

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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.