Home / 891,598,619.80-1,337,397,929.70-236,548,379.80

Finding the Fourth Proportional to 891,598,619.80, 1,337,397,929.70 and 236,548,379.80

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Solution

The fourth proportional to 891,598,619.80, 1,337,397,929.70 and 236,548,379.80 is: 354,822,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,598,619.80 : 1,337,397,929.70 = 236,548,379.80 : x
  2. Step 2: Convert to fraction form
    891,598,619.80/1,337,397,929.70 = 236,548,379.80/x
  3. Step 3: Cross multiply
    891,598,619.80x = 1,337,397,929.70 × 236,548,379.80
  4. Step 4: Simplify right side
    891,598,619.80x = 316,359,313,418,409,344
  5. Step 5: Solve for x
    x = 316,359,313,418,409,344/891,598,619.80
  6. Step 6: Final answer
    x = 354,822,569.70

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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.