Home / 13,981,248,514.20-20,971,872,771.30-12,784,018,229.40

Finding the Fourth Proportional to 13,981,248,514.20, 20,971,872,771.30 and 12,784,018,229.40

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Solution

The fourth proportional to 13,981,248,514.20, 20,971,872,771.30 and 12,784,018,229.40 is: 19,176,027,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,248,514.20 : 20,971,872,771.30 = 12,784,018,229.40 : x
  2. Step 2: Convert to fraction form
    13,981,248,514.20/20,971,872,771.30 = 12,784,018,229.40/x
  3. Step 3: Cross multiply
    13,981,248,514.20x = 20,971,872,771.30 × 12,784,018,229.40
  4. Step 4: Simplify right side
    13,981,248,514.20x = 268,104,803,812,956,667,904
  5. Step 5: Solve for x
    x = 268,104,803,812,956,667,904/13,981,248,514.20
  6. Step 6: Final answer
    x = 19,176,027,344.10

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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.