Home / 27,549,221,864.20-38,017,832,942.22-15,506,225,694.88

Finding the Fourth Proportional to 27,549,221,864.20, 38,017,832,942.22 and 15,506,225,694.88

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Solution

The fourth proportional to 27,549,221,864.20, 38,017,832,942.22 and 15,506,225,694.88 is: 21,398,538,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,549,221,864.20 : 38,017,832,942.22 = 15,506,225,694.88 : x
  2. Step 2: Convert to fraction form
    27,549,221,864.20/38,017,832,942.22 = 15,506,225,694.88/x
  3. Step 3: Cross multiply
    27,549,221,864.20x = 38,017,832,942.22 × 15,506,225,694.88
  4. Step 4: Simplify right side
    27,549,221,864.20x = 589,513,098,032,307,044,352
  5. Step 5: Solve for x
    x = 589,513,098,032,307,044,352/27,549,221,864.20
  6. Step 6: Final answer
    x = 21,398,538,983.72

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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.