Home / 900,339,441.12-1,242,441,737.52-498,471,095.52

Finding the Fourth Proportional to 900,339,441.12, 1,242,441,737.52 and 498,471,095.52

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Solution

The fourth proportional to 900,339,441.12, 1,242,441,737.52 and 498,471,095.52 is: 687,875,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,339,441.12 : 1,242,441,737.52 = 498,471,095.52 : x
  2. Step 2: Convert to fraction form
    900,339,441.12/1,242,441,737.52 = 498,471,095.52/x
  3. Step 3: Cross multiply
    900,339,441.12x = 1,242,441,737.52 × 498,471,095.52
  4. Step 4: Simplify right side
    900,339,441.12x = 619,321,294,021,366,656
  5. Step 5: Solve for x
    x = 619,321,294,021,366,656/900,339,441.12
  6. Step 6: Final answer
    x = 687,875,334.27

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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.