Home / 470,535,948.92-649,336,020.52-258,838,222.65

Finding the Fourth Proportional to 470,535,948.92, 649,336,020.52 and 258,838,222.65

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Solution

The fourth proportional to 470,535,948.92, 649,336,020.52 and 258,838,222.65 is: 357,194,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,535,948.92 : 649,336,020.52 = 258,838,222.65 : x
  2. Step 2: Convert to fraction form
    470,535,948.92/649,336,020.52 = 258,838,222.65/x
  3. Step 3: Cross multiply
    470,535,948.92x = 649,336,020.52 × 258,838,222.65
  4. Step 4: Simplify right side
    470,535,948.92x = 168,072,981,451,909,280
  5. Step 5: Solve for x
    x = 168,072,981,451,909,280/470,535,948.92
  6. Step 6: Final answer
    x = 357,194,772.97

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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.