Home / 20,364,349,294.05-28,105,248,513.84-12,335,454,253.86

Finding the Fourth Proportional to 20,364,349,294.05, 28,105,248,513.84 and 12,335,454,253.86

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Solution

The fourth proportional to 20,364,349,294.05, 28,105,248,513.84 and 12,335,454,253.86 is: 17,024,408,800.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364,349,294.05 : 28,105,248,513.84 = 12,335,454,253.86 : x
  2. Step 2: Convert to fraction form
    20,364,349,294.05/28,105,248,513.84 = 12,335,454,253.86/x
  3. Step 3: Cross multiply
    20,364,349,294.05x = 28,105,248,513.84 × 12,335,454,253.86
  4. Step 4: Simplify right side
    20,364,349,294.05x = 346,691,007,335,840,088,064
  5. Step 5: Solve for x
    x = 346,691,007,335,840,088,064/20,364,349,294.05
  6. Step 6: Final answer
    x = 17,024,408,800.39

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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.