Home / 669,695,057.20-924,230,889.82-401,780,936.06

Finding the Fourth Proportional to 669,695,057.20, 924,230,889.82 and 401,780,936.06

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Solution

The fourth proportional to 669,695,057.20, 924,230,889.82 and 401,780,936.06 is: 554,488,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,695,057.20 : 924,230,889.82 = 401,780,936.06 : x
  2. Step 2: Convert to fraction form
    669,695,057.20/924,230,889.82 = 401,780,936.06/x
  3. Step 3: Cross multiply
    669,695,057.20x = 924,230,889.82 × 401,780,936.06
  4. Step 4: Simplify right side
    669,695,057.20x = 371,338,352,047,446,336
  5. Step 5: Solve for x
    x = 371,338,352,047,446,336/669,695,057.20
  6. Step 6: Final answer
    x = 554,488,715.51

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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.