Home / 470,748,799.52-649,639,292.76-259,079,993.16

Finding the Fourth Proportional to 470,748,799.52, 649,639,292.76 and 259,079,993.16

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Solution

The fourth proportional to 470,748,799.52, 649,639,292.76 and 259,079,993.16 is: 357,533,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,748,799.52 : 649,639,292.76 = 259,079,993.16 : x
  2. Step 2: Convert to fraction form
    470,748,799.52/649,639,292.76 = 259,079,993.16/x
  3. Step 3: Cross multiply
    470,748,799.52x = 649,639,292.76 × 259,079,993.16
  4. Step 4: Simplify right side
    470,748,799.52x = 168,308,543,524,728,032
  5. Step 5: Solve for x
    x = 168,308,543,524,728,032/470,748,799.52
  6. Step 6: Final answer
    x = 357,533,664.87

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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.