Home / 284,492,357.40-426,525,959.70-155,245,906.20

Finding the Fourth Proportional to 284,492,357.40, 426,525,959.70 and 155,245,906.20

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Solution

The fourth proportional to 284,492,357.40, 426,525,959.70 and 155,245,906.20 is: 232,752,857.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,492,357.40 : 426,525,959.70 = 155,245,906.20 : x
  2. Step 2: Convert to fraction form
    284,492,357.40/426,525,959.70 = 155,245,906.20/x
  3. Step 3: Cross multiply
    284,492,357.40x = 426,525,959.70 × 155,245,906.20
  4. Step 4: Simplify right side
    284,492,357.40x = 66,216,409,131,451,176
  5. Step 5: Solve for x
    x = 66,216,409,131,451,176/284,492,357.40
  6. Step 6: Final answer
    x = 232,752,857.53

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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.