Home / 648,592,713.47-972,915,976.17-188,530,882.71

Finding the Fourth Proportional to 648,592,713.47, 972,915,976.17 and 188,530,882.71

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Solution

The fourth proportional to 648,592,713.47, 972,915,976.17 and 188,530,882.71 is: 282,804,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,592,713.47 : 972,915,976.17 = 188,530,882.71 : x
  2. Step 2: Convert to fraction form
    648,592,713.47/972,915,976.17 = 188,530,882.71/x
  3. Step 3: Cross multiply
    648,592,713.47x = 972,915,976.17 × 188,530,882.71
  4. Step 4: Simplify right side
    648,592,713.47x = 183,424,707,789,991,424
  5. Step 5: Solve for x
    x = 183,424,707,789,991,424/648,592,713.47
  6. Step 6: Final answer
    x = 282,804,145.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.