Home / 862,894,479.20-1,294,341,718.80-318,027,048.80

Finding the Fourth Proportional to 862,894,479.20, 1,294,341,718.80 and 318,027,048.80

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Solution

The fourth proportional to 862,894,479.20, 1,294,341,718.80 and 318,027,048.80 is: 477,040,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,894,479.20 : 1,294,341,718.80 = 318,027,048.80 : x
  2. Step 2: Convert to fraction form
    862,894,479.20/1,294,341,718.80 = 318,027,048.80/x
  3. Step 3: Cross multiply
    862,894,479.20x = 1,294,341,718.80 × 318,027,048.80
  4. Step 4: Simplify right side
    862,894,479.20x = 411,635,676,968,683,456
  5. Step 5: Solve for x
    x = 411,635,676,968,683,456/862,894,479.20
  6. Step 6: Final answer
    x = 477,040,573.20

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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.