Home / 470,535,958.38-649,336,033.56-258,838,232.13

Finding the Fourth Proportional to 470,535,958.38, 649,336,033.56 and 258,838,232.13

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Solution

The fourth proportional to 470,535,958.38, 649,336,033.56 and 258,838,232.13 is: 357,194,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,535,958.38 : 649,336,033.56 = 258,838,232.13 : x
  2. Step 2: Convert to fraction form
    470,535,958.38/649,336,033.56 = 258,838,232.13/x
  3. Step 3: Cross multiply
    470,535,958.38x = 649,336,033.56 × 258,838,232.13
  4. Step 4: Simplify right side
    470,535,958.38x = 168,072,990,984,976,736
  5. Step 5: Solve for x
    x = 168,072,990,984,976,736/470,535,958.38
  6. Step 6: Final answer
    x = 357,194,786.06

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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.