Home / 15,782,366,867.60-21,774,541,740.36-10,761,397,317.20

Finding the Fourth Proportional to 15,782,366,867.60, 21,774,541,740.36 and 10,761,397,317.20

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Solution

The fourth proportional to 15,782,366,867.60, 21,774,541,740.36 and 10,761,397,317.20 is: 14,847,234,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782,366,867.60 : 21,774,541,740.36 = 10,761,397,317.20 : x
  2. Step 2: Convert to fraction form
    15,782,366,867.60/21,774,541,740.36 = 10,761,397,317.20/x
  3. Step 3: Cross multiply
    15,782,366,867.60x = 21,774,541,740.36 × 10,761,397,317.20
  4. Step 4: Simplify right side
    15,782,366,867.60x = 234,324,495,067,969,552,384
  5. Step 5: Solve for x
    x = 234,324,495,067,969,552,384/15,782,366,867.60
  6. Step 6: Final answer
    x = 14,847,234,070.39

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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.