Home / 854,031,329.10-1,281,046,993.65-509,374,125.90

Finding the Fourth Proportional to 854,031,329.10, 1,281,046,993.65 and 509,374,125.90

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Solution

The fourth proportional to 854,031,329.10, 1,281,046,993.65 and 509,374,125.90 is: 764,061,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,031,329.10 : 1,281,046,993.65 = 509,374,125.90 : x
  2. Step 2: Convert to fraction form
    854,031,329.10/1,281,046,993.65 = 509,374,125.90/x
  3. Step 3: Cross multiply
    854,031,329.10x = 1,281,046,993.65 × 509,374,125.90
  4. Step 4: Simplify right side
    854,031,329.10x = 652,532,192,627,291,648
  5. Step 5: Solve for x
    x = 652,532,192,627,291,648/854,031,329.10
  6. Step 6: Final answer
    x = 764,061,188.85

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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.