Home / 390,986,269,831.38-586,162,915,398.54-122,236,914,023.40

Finding the Fourth Proportional to 390,986,269,831.38, 586,162,915,398.54 and 122,236,914,023.40

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Solution

The fourth proportional to 390,986,269,831.38, 586,162,915,398.54 and 122,236,914,023.40 is: 183,256,424,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,986,269,831.38 : 586,162,915,398.54 = 122,236,914,023.40 : x
  2. Step 2: Convert to fraction form
    390,986,269,831.38/586,162,915,398.54 = 122,236,914,023.40/x
  3. Step 3: Cross multiply
    390,986,269,831.38x = 586,162,915,398.54 × 122,236,914,023.40
  4. Step 4: Simplify right side
    390,986,269,831.38x = 71,650,745,893,276,820,176,896
  5. Step 5: Solve for x
    x = 71,650,745,893,276,820,176,896/390,986,269,831.38
  6. Step 6: Final answer
    x = 183,256,424,641.66

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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.