Home / 891,820,854.90-1,337,903,555.64-339,080,306.43

Finding the Fourth Proportional to 891,820,854.90, 1,337,903,555.64 and 339,080,306.43

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Solution

The fourth proportional to 891,820,854.90, 1,337,903,555.64 and 339,080,306.43 is: 508,685,959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,820,854.90 : 1,337,903,555.64 = 339,080,306.43 : x
  2. Step 2: Convert to fraction form
    891,820,854.90/1,337,903,555.64 = 339,080,306.43/x
  3. Step 3: Cross multiply
    891,820,854.90x = 1,337,903,555.64 × 339,080,306.43
  4. Step 4: Simplify right side
    891,820,854.90x = 453,656,747,620,197,824
  5. Step 5: Solve for x
    x = 453,656,747,620,197,824/891,820,854.90
  6. Step 6: Final answer
    x = 508,685,959.88

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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.