Home / 1,005,646,881.20-1,387,913,510.28-609,158,237.24

Finding the Fourth Proportional to 1,005,646,881.20, 1,387,913,510.28 and 609,158,237.24

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Solution

The fourth proportional to 1,005,646,881.20, 1,387,913,510.28 and 609,158,237.24 is: 840,711,549.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,646,881.20 : 1,387,913,510.28 = 609,158,237.24 : x
  2. Step 2: Convert to fraction form
    1,005,646,881.20/1,387,913,510.28 = 609,158,237.24/x
  3. Step 3: Cross multiply
    1,005,646,881.20x = 1,387,913,510.28 × 609,158,237.24
  4. Step 4: Simplify right side
    1,005,646,881.20x = 845,458,947,363,745,408
  5. Step 5: Solve for x
    x = 845,458,947,363,745,408/1,005,646,881.20
  6. Step 6: Final answer
    x = 840,711,549.12

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Double scale
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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.