Home / 945,117,985.60-1,417,676,978.40-255,024,132.40

Finding the Fourth Proportional to 945,117,985.60, 1,417,676,978.40 and 255,024,132.40

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Solution

The fourth proportional to 945,117,985.60, 1,417,676,978.40 and 255,024,132.40 is: 382,536,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,117,985.60 : 1,417,676,978.40 = 255,024,132.40 : x
  2. Step 2: Convert to fraction form
    945,117,985.60/1,417,676,978.40 = 255,024,132.40/x
  3. Step 3: Cross multiply
    945,117,985.60x = 1,417,676,978.40 × 255,024,132.40
  4. Step 4: Simplify right side
    945,117,985.60x = 361,541,841,439,913,600
  5. Step 5: Solve for x
    x = 361,541,841,439,913,600/945,117,985.60
  6. Step 6: Final answer
    x = 382,536,198.60

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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.