Home / 868,968,136.20-1,303,452,204.30-255,614,363.40

Finding the Fourth Proportional to 868,968,136.20, 1,303,452,204.30 and 255,614,363.40

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Solution

The fourth proportional to 868,968,136.20, 1,303,452,204.30 and 255,614,363.40 is: 383,421,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,968,136.20 : 1,303,452,204.30 = 255,614,363.40 : x
  2. Step 2: Convert to fraction form
    868,968,136.20/1,303,452,204.30 = 255,614,363.40/x
  3. Step 3: Cross multiply
    868,968,136.20x = 1,303,452,204.30 × 255,614,363.40
  4. Step 4: Simplify right side
    868,968,136.20x = 333,181,105,424,471,232
  5. Step 5: Solve for x
    x = 333,181,105,424,471,232/868,968,136.20
  6. Step 6: Final answer
    x = 383,421,545.10

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Double scale
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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.