Home / 488,726,238.70-733,089,358.05-435,156,985.90

Finding the Fourth Proportional to 488,726,238.70, 733,089,358.05 and 435,156,985.90

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Solution

The fourth proportional to 488,726,238.70, 733,089,358.05 and 435,156,985.90 is: 652,735,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,726,238.70 : 733,089,358.05 = 435,156,985.90 : x
  2. Step 2: Convert to fraction form
    488,726,238.70/733,089,358.05 = 435,156,985.90/x
  3. Step 3: Cross multiply
    488,726,238.70x = 733,089,358.05 × 435,156,985.90
  4. Step 4: Simplify right side
    488,726,238.70x = 319,008,955,444,403,840
  5. Step 5: Solve for x
    x = 319,008,955,444,403,840/488,726,238.70
  6. Step 6: Final answer
    x = 652,735,478.85

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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.