Home / 280,251,272.10-420,376,908.15-280,251,272.10

Finding the Fourth Proportional to 280,251,272.10, 420,376,908.15 and 280,251,272.10

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Solution

The fourth proportional to 280,251,272.10, 420,376,908.15 and 280,251,272.10 is: 420,376,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,251,272.10 : 420,376,908.15 = 280,251,272.10 : x
  2. Step 2: Convert to fraction form
    280,251,272.10/420,376,908.15 = 280,251,272.10/x
  3. Step 3: Cross multiply
    280,251,272.10x = 420,376,908.15 × 280,251,272.10
  4. Step 4: Simplify right side
    280,251,272.10x = 117,811,163,270,502,368
  5. Step 5: Solve for x
    x = 117,811,163,270,502,368/280,251,272.10
  6. Step 6: Final answer
    x = 420,376,908.15

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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.