Home / 669,192,003.10-1,003,788,004.65-531,442,495.90

Finding the Fourth Proportional to 669,192,003.10, 1,003,788,004.65 and 531,442,495.90

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Solution

The fourth proportional to 669,192,003.10, 1,003,788,004.65 and 531,442,495.90 is: 797,163,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,192,003.10 : 1,003,788,004.65 = 531,442,495.90 : x
  2. Step 2: Convert to fraction form
    669,192,003.10/1,003,788,004.65 = 531,442,495.90/x
  3. Step 3: Cross multiply
    669,192,003.10x = 1,003,788,004.65 × 531,442,495.90
  4. Step 4: Simplify right side
    669,192,003.10x = 533,455,602,545,676,800
  5. Step 5: Solve for x
    x = 533,455,602,545,676,800/669,192,003.10
  6. Step 6: Final answer
    x = 797,163,743.85

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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.