Home / 442,920,690.60-664,381,035.90-417,411,522.60

Finding the Fourth Proportional to 442,920,690.60, 664,381,035.90 and 417,411,522.60

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Solution

The fourth proportional to 442,920,690.60, 664,381,035.90 and 417,411,522.60 is: 626,117,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,920,690.60 : 664,381,035.90 = 417,411,522.60 : x
  2. Step 2: Convert to fraction form
    442,920,690.60/664,381,035.90 = 417,411,522.60/x
  3. Step 3: Cross multiply
    442,920,690.60x = 664,381,035.90 × 417,411,522.60
  4. Step 4: Simplify right side
    442,920,690.60x = 277,320,299,781,584,256
  5. Step 5: Solve for x
    x = 277,320,299,781,584,256/442,920,690.60
  6. Step 6: Final answer
    x = 626,117,283.90

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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.