Home / 18,547,690,279.68-25,531,192,462.64-16,164,731,421.92

Finding the Fourth Proportional to 18,547,690,279.68, 25,531,192,462.64 and 16,164,731,421.92

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Solution

The fourth proportional to 18,547,690,279.68, 25,531,192,462.64 and 16,164,731,421.92 is: 22,251,011,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547,690,279.68 : 25,531,192,462.64 = 16,164,731,421.92 : x
  2. Step 2: Convert to fraction form
    18,547,690,279.68/25,531,192,462.64 = 16,164,731,421.92/x
  3. Step 3: Cross multiply
    18,547,690,279.68x = 25,531,192,462.64 × 16,164,731,421.92
  4. Step 4: Simplify right side
    18,547,690,279.68x = 412,704,869,039,923,855,360
  5. Step 5: Solve for x
    x = 412,704,869,039,923,855,360/18,547,690,279.68
  6. Step 6: Final answer
    x = 22,251,011,463.79

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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.