Home / 887,729,233.16-1,225,068,357.30-491,281,070.60

Finding the Fourth Proportional to 887,729,233.16, 1,225,068,357.30 and 491,281,070.60

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Solution

The fourth proportional to 887,729,233.16, 1,225,068,357.30 and 491,281,070.60 is: 677,968,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,729,233.16 : 1,225,068,357.30 = 491,281,070.60 : x
  2. Step 2: Convert to fraction form
    887,729,233.16/1,225,068,357.30 = 491,281,070.60/x
  3. Step 3: Cross multiply
    887,729,233.16x = 1,225,068,357.30 × 491,281,070.60
  4. Step 4: Simplify right side
    887,729,233.16x = 601,852,894,132,527,360
  5. Step 5: Solve for x
    x = 601,852,894,132,527,360/887,729,233.16
  6. Step 6: Final answer
    x = 677,968,992.85

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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.