Home / 21,262,068,511.20-31,893,102,766.80-10,217,921,464.80

Finding the Fourth Proportional to 21,262,068,511.20, 31,893,102,766.80 and 10,217,921,464.80

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Solution

The fourth proportional to 21,262,068,511.20, 31,893,102,766.80 and 10,217,921,464.80 is: 15,326,882,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262,068,511.20 : 31,893,102,766.80 = 10,217,921,464.80 : x
  2. Step 2: Convert to fraction form
    21,262,068,511.20/31,893,102,766.80 = 10,217,921,464.80/x
  3. Step 3: Cross multiply
    21,262,068,511.20x = 31,893,102,766.80 × 10,217,921,464.80
  4. Step 4: Simplify right side
    21,262,068,511.20x = 325,881,219,339,957,960,704
  5. Step 5: Solve for x
    x = 325,881,219,339,957,960,704/21,262,068,511.20
  6. Step 6: Final answer
    x = 15,326,882,197.20

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1.5x scale

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.