Home / 453,632,001.30-680,448,001.95-399,884,289.30

Finding the Fourth Proportional to 453,632,001.30, 680,448,001.95 and 399,884,289.30

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Solution

The fourth proportional to 453,632,001.30, 680,448,001.95 and 399,884,289.30 is: 599,826,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,632,001.30 : 680,448,001.95 = 399,884,289.30 : x
  2. Step 2: Convert to fraction form
    453,632,001.30/680,448,001.95 = 399,884,289.30/x
  3. Step 3: Cross multiply
    453,632,001.30x = 680,448,001.95 × 399,884,289.30
  4. Step 4: Simplify right side
    453,632,001.30x = 272,100,465,665,380,800
  5. Step 5: Solve for x
    x = 272,100,465,665,380,800/453,632,001.30
  6. Step 6: Final answer
    x = 599,826,433.95

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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.