Home / 885,341,344.40-1,328,012,016.60-310,912,672.40

Finding the Fourth Proportional to 885,341,344.40, 1,328,012,016.60 and 310,912,672.40

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Solution

The fourth proportional to 885,341,344.40, 1,328,012,016.60 and 310,912,672.40 is: 466,369,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,341,344.40 : 1,328,012,016.60 = 310,912,672.40 : x
  2. Step 2: Convert to fraction form
    885,341,344.40/1,328,012,016.60 = 310,912,672.40/x
  3. Step 3: Cross multiply
    885,341,344.40x = 1,328,012,016.60 × 310,912,672.40
  4. Step 4: Simplify right side
    885,341,344.40x = 412,895,765,060,419,072
  5. Step 5: Solve for x
    x = 412,895,765,060,419,072/885,341,344.40
  6. Step 6: Final answer
    x = 466,369,008.60

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Similar ratio
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1.5x scale

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.