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Finding the Fourth Proportional to 611,295,715.20, 916,943,572.80 and 611,295,715.20

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Solution

The fourth proportional to 611,295,715.20, 916,943,572.80 and 611,295,715.20 is: 916,943,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,295,715.20 : 916,943,572.80 = 611,295,715.20 : x
  2. Step 2: Convert to fraction form
    611,295,715.20/916,943,572.80 = 611,295,715.20/x
  3. Step 3: Cross multiply
    611,295,715.20x = 916,943,572.80 × 611,295,715.20
  4. Step 4: Simplify right side
    611,295,715.20x = 560,523,677,132,819,264
  5. Step 5: Solve for x
    x = 560,523,677,132,819,264/611,295,715.20
  6. Step 6: Final answer
    x = 916,943,572.80

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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.