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Finding the Fourth Proportional to 488,394,893.70, 732,592,340.55 and 294,684,649.20

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Solution

The fourth proportional to 488,394,893.70, 732,592,340.55 and 294,684,649.20 is: 442,026,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,394,893.70 : 732,592,340.55 = 294,684,649.20 : x
  2. Step 2: Convert to fraction form
    488,394,893.70/732,592,340.55 = 294,684,649.20/x
  3. Step 3: Cross multiply
    488,394,893.70x = 732,592,340.55 × 294,684,649.20
  4. Step 4: Simplify right side
    488,394,893.70x = 215,883,716,881,583,648
  5. Step 5: Solve for x
    x = 215,883,716,881,583,648/488,394,893.70
  6. Step 6: Final answer
    x = 442,026,973.80

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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.