Home / 956,930,140.50-1,320,564,125.25-516,896,996.82

Finding the Fourth Proportional to 956,930,140.50, 1,320,564,125.25 and 516,896,996.82

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Solution

The fourth proportional to 956,930,140.50, 1,320,564,125.25 and 516,896,996.82 is: 713,318,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,930,140.50 : 1,320,564,125.25 = 516,896,996.82 : x
  2. Step 2: Convert to fraction form
    956,930,140.50/1,320,564,125.25 = 516,896,996.82/x
  3. Step 3: Cross multiply
    956,930,140.50x = 1,320,564,125.25 × 516,896,996.82
  4. Step 4: Simplify right side
    956,930,140.50x = 682,595,630,449,955,328
  5. Step 5: Solve for x
    x = 682,595,630,449,955,328/956,930,140.50
  6. Step 6: Final answer
    x = 713,318,142.63

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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.