Home / 669,695,052.70-924,230,883.61-401,780,931.56

Finding the Fourth Proportional to 669,695,052.70, 924,230,883.61 and 401,780,931.56

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Solution

The fourth proportional to 669,695,052.70, 924,230,883.61 and 401,780,931.56 is: 554,488,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,695,052.70 : 924,230,883.61 = 401,780,931.56 : x
  2. Step 2: Convert to fraction form
    669,695,052.70/924,230,883.61 = 401,780,931.56/x
  3. Step 3: Cross multiply
    669,695,052.70x = 924,230,883.61 × 401,780,931.56
  4. Step 4: Simplify right side
    669,695,052.70x = 371,338,345,391,338,816
  5. Step 5: Solve for x
    x = 371,338,345,391,338,816/669,695,052.70
  6. Step 6: Final answer
    x = 554,488,709.29

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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.