Home / 372,276,995.20-558,415,492.80-247,441,504.30

Finding the Fourth Proportional to 372,276,995.20, 558,415,492.80 and 247,441,504.30

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Solution

The fourth proportional to 372,276,995.20, 558,415,492.80 and 247,441,504.30 is: 371,162,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,276,995.20 : 558,415,492.80 = 247,441,504.30 : x
  2. Step 2: Convert to fraction form
    372,276,995.20/558,415,492.80 = 247,441,504.30/x
  3. Step 3: Cross multiply
    372,276,995.20x = 558,415,492.80 × 247,441,504.30
  4. Step 4: Simplify right side
    372,276,995.20x = 138,175,169,562,857,808
  5. Step 5: Solve for x
    x = 138,175,169,562,857,808/372,276,995.20
  6. Step 6: Final answer
    x = 371,162,256.45

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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.