Home / 614,177,746.20-921,266,619.30-199,653,766.20

Finding the Fourth Proportional to 614,177,746.20, 921,266,619.30 and 199,653,766.20

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Solution

The fourth proportional to 614,177,746.20, 921,266,619.30 and 199,653,766.20 is: 299,480,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,177,746.20 : 921,266,619.30 = 199,653,766.20 : x
  2. Step 2: Convert to fraction form
    614,177,746.20/921,266,619.30 = 199,653,766.20/x
  3. Step 3: Cross multiply
    614,177,746.20x = 921,266,619.30 × 199,653,766.20
  4. Step 4: Simplify right side
    614,177,746.20x = 183,934,350,217,586,592
  5. Step 5: Solve for x
    x = 183,934,350,217,586,592/614,177,746.20
  6. Step 6: Final answer
    x = 299,480,649.30

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Double scale
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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.