Home / 727,092,001.20-1,091,322,970.20-382,293,080.40

Finding the Fourth Proportional to 727,092,001.20, 1,091,322,970.20 and 382,293,080.40

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Solution

The fourth proportional to 727,092,001.20, 1,091,322,970.20 and 382,293,080.40 is: 573,799,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,092,001.20 : 1,091,322,970.20 = 382,293,080.40 : x
  2. Step 2: Convert to fraction form
    727,092,001.20/1,091,322,970.20 = 382,293,080.40/x
  3. Step 3: Cross multiply
    727,092,001.20x = 1,091,322,970.20 × 382,293,080.40
  4. Step 4: Simplify right side
    727,092,001.20x = 417,205,219,989,035,392
  5. Step 5: Solve for x
    x = 417,205,219,989,035,392/727,092,001.20
  6. Step 6: Final answer
    x = 573,799,765.78

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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.