Home / 745,155,454.08-1,028,321,327.17-410,639,978.91

Finding the Fourth Proportional to 745,155,454.08, 1,028,321,327.17 and 410,639,978.91

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Solution

The fourth proportional to 745,155,454.08, 1,028,321,327.17 and 410,639,978.91 is: 566,686,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,155,454.08 : 1,028,321,327.17 = 410,639,978.91 : x
  2. Step 2: Convert to fraction form
    745,155,454.08/1,028,321,327.17 = 410,639,978.91/x
  3. Step 3: Cross multiply
    745,155,454.08x = 1,028,321,327.17 × 410,639,978.91
  4. Step 4: Simplify right side
    745,155,454.08x = 422,269,848,100,351,552
  5. Step 5: Solve for x
    x = 422,269,848,100,351,552/745,155,454.08
  6. Step 6: Final answer
    x = 566,686,918.53

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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.