Home / 372,277,009.20-558,415,513.80-247,441,518.30

Finding the Fourth Proportional to 372,277,009.20, 558,415,513.80 and 247,441,518.30

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Solution

The fourth proportional to 372,277,009.20, 558,415,513.80 and 247,441,518.30 is: 371,162,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,277,009.20 : 558,415,513.80 = 247,441,518.30 : x
  2. Step 2: Convert to fraction form
    372,277,009.20/558,415,513.80 = 247,441,518.30/x
  3. Step 3: Cross multiply
    372,277,009.20x = 558,415,513.80 × 247,441,518.30
  4. Step 4: Simplify right side
    372,277,009.20x = 138,175,182,576,946,592
  5. Step 5: Solve for x
    x = 138,175,182,576,946,592/372,277,009.20
  6. Step 6: Final answer
    x = 371,162,277.45

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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.