Home / 21,258,720,825.60-31,887,913,276.80-5,537,515,065.60

Finding the Fourth Proportional to 21,258,720,825.60, 31,887,913,276.80 and 5,537,515,065.60

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Solution

The fourth proportional to 21,258,720,825.60, 31,887,913,276.80 and 5,537,515,065.60 is: 8,306,228,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,258,720,825.60 : 31,887,913,276.80 = 5,537,515,065.60 : x
  2. Step 2: Convert to fraction form
    21,258,720,825.60/31,887,913,276.80 = 5,537,515,065.60/x
  3. Step 3: Cross multiply
    21,258,720,825.60x = 31,887,913,276.80 × 5,537,515,065.60
  4. Step 4: Simplify right side
    21,258,720,825.60x = 176,579,800,180,826,275,840
  5. Step 5: Solve for x
    x = 176,579,800,180,826,275,840/21,258,720,825.60
  6. Step 6: Final answer
    x = 8,306,228,847.42

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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.