Home / 887,729,232.16-1,225,068,355.92-491,281,069.60

Finding the Fourth Proportional to 887,729,232.16, 1,225,068,355.92 and 491,281,069.60

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Solution

The fourth proportional to 887,729,232.16, 1,225,068,355.92 and 491,281,069.60 is: 677,968,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,729,232.16 : 1,225,068,355.92 = 491,281,069.60 : x
  2. Step 2: Convert to fraction form
    887,729,232.16/1,225,068,355.92 = 491,281,069.60/x
  3. Step 3: Cross multiply
    887,729,232.16x = 1,225,068,355.92 × 491,281,069.60
  4. Step 4: Simplify right side
    887,729,232.16x = 601,852,892,229,491,200
  5. Step 5: Solve for x
    x = 601,852,892,229,491,200/887,729,232.16
  6. Step 6: Final answer
    x = 677,968,991.47

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1.5x scale

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.