Home / 284,492,340.40-426,525,934.20-155,245,889.20

Finding the Fourth Proportional to 284,492,340.40, 426,525,934.20 and 155,245,889.20

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Solution

The fourth proportional to 284,492,340.40, 426,525,934.20 and 155,245,889.20 is: 232,752,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,492,340.40 : 426,525,934.20 = 155,245,889.20 : x
  2. Step 2: Convert to fraction form
    284,492,340.40/426,525,934.20 = 155,245,889.20/x
  3. Step 3: Cross multiply
    284,492,340.40x = 426,525,934.20 × 155,245,889.20
  4. Step 4: Simplify right side
    284,492,340.40x = 66,216,397,921,739,680
  5. Step 5: Solve for x
    x = 66,216,397,921,739,680/284,492,340.40
  6. Step 6: Final answer
    x = 232,752,832.04

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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.