Home / 891,820,855.90-1,337,903,557.14-339,080,307.43

Finding the Fourth Proportional to 891,820,855.90, 1,337,903,557.14 and 339,080,307.43

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Solution

The fourth proportional to 891,820,855.90, 1,337,903,557.14 and 339,080,307.43 is: 508,685,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,820,855.90 : 1,337,903,557.14 = 339,080,307.43 : x
  2. Step 2: Convert to fraction form
    891,820,855.90/1,337,903,557.14 = 339,080,307.43/x
  3. Step 3: Cross multiply
    891,820,855.90x = 1,337,903,557.14 × 339,080,307.43
  4. Step 4: Simplify right side
    891,820,855.90x = 453,656,749,466,721,792
  5. Step 5: Solve for x
    x = 453,656,749,466,721,792/891,820,855.90
  6. Step 6: Final answer
    x = 508,685,961.39

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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.