Home / 591,655,240.28-816,412,458.76-340,840,829.95

Finding the Fourth Proportional to 591,655,240.28, 816,412,458.76 and 340,840,829.95

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Solution

The fourth proportional to 591,655,240.28, 816,412,458.76 and 340,840,829.95 is: 470,318,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,655,240.28 : 816,412,458.76 = 340,840,829.95 : x
  2. Step 2: Convert to fraction form
    591,655,240.28/816,412,458.76 = 340,840,829.95/x
  3. Step 3: Cross multiply
    591,655,240.28x = 816,412,458.76 × 340,840,829.95
  4. Step 4: Simplify right side
    591,655,240.28x = 278,266,700,022,385,440
  5. Step 5: Solve for x
    x = 278,266,700,022,385,440/591,655,240.28
  6. Step 6: Final answer
    x = 470,318,998.42

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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.