Home / 669,695,054.20-924,230,885.68-401,780,933.06

Finding the Fourth Proportional to 669,695,054.20, 924,230,885.68 and 401,780,933.06

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Solution

The fourth proportional to 669,695,054.20, 924,230,885.68 and 401,780,933.06 is: 554,488,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,695,054.20 : 924,230,885.68 = 401,780,933.06 : x
  2. Step 2: Convert to fraction form
    669,695,054.20/924,230,885.68 = 401,780,933.06/x
  3. Step 3: Cross multiply
    669,695,054.20x = 924,230,885.68 × 401,780,933.06
  4. Step 4: Simplify right side
    669,695,054.20x = 371,338,347,611,380,544
  5. Step 5: Solve for x
    x = 371,338,347,611,380,544/669,695,054.20
  6. Step 6: Final answer
    x = 554,488,711.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.