Home / 1,005,646,877.20-1,387,913,504.76-609,158,233.24

Finding the Fourth Proportional to 1,005,646,877.20, 1,387,913,504.76 and 609,158,233.24

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Solution

The fourth proportional to 1,005,646,877.20, 1,387,913,504.76 and 609,158,233.24 is: 840,711,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,646,877.20 : 1,387,913,504.76 = 609,158,233.24 : x
  2. Step 2: Convert to fraction form
    1,005,646,877.20/1,387,913,504.76 = 609,158,233.24/x
  3. Step 3: Cross multiply
    1,005,646,877.20x = 1,387,913,504.76 × 609,158,233.24
  4. Step 4: Simplify right side
    1,005,646,877.20x = 845,458,938,449,537,920
  5. Step 5: Solve for x
    x = 845,458,938,449,537,920/1,005,646,877.20
  6. Step 6: Final answer
    x = 840,711,543.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.