Home / 709,206,529.20-1,062,374,903.10-491,103,142.80

Finding the Fourth Proportional to 709,206,529.20, 1,062,374,903.10 and 491,103,142.80

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Solution

The fourth proportional to 709,206,529.20, 1,062,374,903.10 and 491,103,142.80 is: 735,661,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,206,529.20 : 1,062,374,903.10 = 491,103,142.80 : x
  2. Step 2: Convert to fraction form
    709,206,529.20/1,062,374,903.10 = 491,103,142.80/x
  3. Step 3: Cross multiply
    709,206,529.20x = 1,062,374,903.10 × 491,103,142.80
  4. Step 4: Simplify right side
    709,206,529.20x = 521,735,653,744,255,488
  5. Step 5: Solve for x
    x = 521,735,653,744,255,488/709,206,529.20
  6. Step 6: Final answer
    x = 735,661,097.67

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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.