Home / 445,824,890.79-615,221,494.19-247,599,154.54

Finding the Fourth Proportional to 445,824,890.79, 615,221,494.19 and 247,599,154.54

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Solution

The fourth proportional to 445,824,890.79, 615,221,494.19 and 247,599,154.54 is: 341,677,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,890.79 : 615,221,494.19 = 247,599,154.54 : x
  2. Step 2: Convert to fraction form
    445,824,890.79/615,221,494.19 = 247,599,154.54/x
  3. Step 3: Cross multiply
    445,824,890.79x = 615,221,494.19 × 247,599,154.54
  4. Step 4: Simplify right side
    445,824,890.79x = 152,328,321,816,739,040
  5. Step 5: Solve for x
    x = 152,328,321,816,739,040/445,824,890.79
  6. Step 6: Final answer
    x = 341,677,472.40

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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.