Home / 669,192,003.60-1,003,788,005.40-531,442,496.40

Finding the Fourth Proportional to 669,192,003.60, 1,003,788,005.40 and 531,442,496.40

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Solution

The fourth proportional to 669,192,003.60, 1,003,788,005.40 and 531,442,496.40 is: 797,163,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,192,003.60 : 1,003,788,005.40 = 531,442,496.40 : x
  2. Step 2: Convert to fraction form
    669,192,003.60/1,003,788,005.40 = 531,442,496.40/x
  3. Step 3: Cross multiply
    669,192,003.60x = 1,003,788,005.40 × 531,442,496.40
  4. Step 4: Simplify right side
    669,192,003.60x = 533,455,603,446,152,640
  5. Step 5: Solve for x
    x = 533,455,603,446,152,640/669,192,003.60
  6. Step 6: Final answer
    x = 797,163,744.60

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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.