Home / 451,884,511.20-677,942,240.40-145,179,631.20

Finding the Fourth Proportional to 451,884,511.20, 677,942,240.40 and 145,179,631.20

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Solution

The fourth proportional to 451,884,511.20, 677,942,240.40 and 145,179,631.20 is: 217,806,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,884,511.20 : 677,942,240.40 = 145,179,631.20 : x
  2. Step 2: Convert to fraction form
    451,884,511.20/677,942,240.40 = 145,179,631.20/x
  3. Step 3: Cross multiply
    451,884,511.20x = 677,942,240.40 × 145,179,631.20
  4. Step 4: Simplify right side
    451,884,511.20x = 98,423,404,436,173,728
  5. Step 5: Solve for x
    x = 98,423,404,436,173,728/451,884,511.20
  6. Step 6: Final answer
    x = 217,806,545.69

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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.