Home / 969,026,246.40-1,453,539,369.60-861,887,740.80

Finding the Fourth Proportional to 969,026,246.40, 1,453,539,369.60 and 861,887,740.80

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Solution

The fourth proportional to 969,026,246.40, 1,453,539,369.60 and 861,887,740.80 is: 1,292,831,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,026,246.40 : 1,453,539,369.60 = 861,887,740.80 : x
  2. Step 2: Convert to fraction form
    969,026,246.40/1,453,539,369.60 = 861,887,740.80/x
  3. Step 3: Cross multiply
    969,026,246.40x = 1,453,539,369.60 × 861,887,740.80
  4. Step 4: Simplify right side
    969,026,246.40x = 1,252,787,763,428,400,128
  5. Step 5: Solve for x
    x = 1,252,787,763,428,400,128/969,026,246.40
  6. Step 6: Final answer
    x = 1,292,831,611.20

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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.