Home / 494,692,637.40-741,849,999.30-149,531,549.40

Finding the Fourth Proportional to 494,692,637.40, 741,849,999.30 and 149,531,549.40

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Solution

The fourth proportional to 494,692,637.40, 741,849,999.30 and 149,531,549.40 is: 224,240,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,692,637.40 : 741,849,999.30 = 149,531,549.40 : x
  2. Step 2: Convert to fraction form
    494,692,637.40/741,849,999.30 = 149,531,549.40/x
  3. Step 3: Cross multiply
    494,692,637.40x = 741,849,999.30 × 149,531,549.40
  4. Step 4: Simplify right side
    494,692,637.40x = 110,929,979,817,717,920
  5. Step 5: Solve for x
    x = 110,929,979,817,717,920/494,692,637.40
  6. Step 6: Final answer
    x = 224,240,207.82

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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.