Home / 828,109,320.60-1,241,108,972.10-440,118,024.60

Finding the Fourth Proportional to 828,109,320.60, 1,241,108,972.10 and 440,118,024.60

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Solution

The fourth proportional to 828,109,320.60, 1,241,108,972.10 and 440,118,024.60 is: 659,616,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,109,320.60 : 1,241,108,972.10 = 440,118,024.60 : x
  2. Step 2: Convert to fraction form
    828,109,320.60/1,241,108,972.10 = 440,118,024.60/x
  3. Step 3: Cross multiply
    828,109,320.60x = 1,241,108,972.10 × 440,118,024.60
  4. Step 4: Simplify right side
    828,109,320.60x = 546,234,429,113,988,480
  5. Step 5: Solve for x
    x = 546,234,429,113,988,480/828,109,320.60
  6. Step 6: Final answer
    x = 659,616,327.85

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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.