Home / 15,398,005,689-21,245,604,330.69-8,715,002,450.58

Finding the Fourth Proportional to 15,398,005,689, 21,245,604,330.69 and 8,715,002,450.58

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Solution

The fourth proportional to 15,398,005,689, 21,245,604,330.69 and 8,715,002,450.58 is: 12,024,641,213.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,398,005,689 : 21,245,604,330.69 = 8,715,002,450.58 : x
  2. Step 2: Convert to fraction form
    15,398,005,689/21,245,604,330.69 = 8,715,002,450.58/x
  3. Step 3: Cross multiply
    15,398,005,689x = 21,245,604,330.69 × 8,715,002,450.58
  4. Step 4: Simplify right side
    15,398,005,689x = 185,155,493,806,016,397,312
  5. Step 5: Solve for x
    x = 185,155,493,806,016,397,312/15,398,005,689
  6. Step 6: Final answer
    x = 12,024,641,213.00

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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.