Home / 16,754,618,646.28-23,121,529,689.72-9,236,508,821.20

Finding the Fourth Proportional to 16,754,618,646.28, 23,121,529,689.72 and 9,236,508,821.20

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Solution

The fourth proportional to 16,754,618,646.28, 23,121,529,689.72 and 9,236,508,821.20 is: 12,746,468,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754,618,646.28 : 23,121,529,689.72 = 9,236,508,821.20 : x
  2. Step 2: Convert to fraction form
    16,754,618,646.28/23,121,529,689.72 = 9,236,508,821.20/x
  3. Step 3: Cross multiply
    16,754,618,646.28x = 23,121,529,689.72 × 9,236,508,821.20
  4. Step 4: Simplify right side
    16,754,618,646.28x = 213,562,212,938,736,500,736
  5. Step 5: Solve for x
    x = 213,562,212,938,736,500,736/16,754,618,646.28
  6. Step 6: Final answer
    x = 12,746,468,149.91

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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.