Home / 266,117,615.10-399,176,422.65-194,453,999.10

Finding the Fourth Proportional to 266,117,615.10, 399,176,422.65 and 194,453,999.10

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Solution

The fourth proportional to 266,117,615.10, 399,176,422.65 and 194,453,999.10 is: 291,680,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,117,615.10 : 399,176,422.65 = 194,453,999.10 : x
  2. Step 2: Convert to fraction form
    266,117,615.10/399,176,422.65 = 194,453,999.10/x
  3. Step 3: Cross multiply
    266,117,615.10x = 399,176,422.65 × 194,453,999.10
  4. Step 4: Simplify right side
    266,117,615.10x = 77,621,451,730,724,320
  5. Step 5: Solve for x
    x = 77,621,451,730,724,320/266,117,615.10
  6. Step 6: Final answer
    x = 291,680,998.65

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Double scale
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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.