Home / 891,651,029.20-1,337,476,543.80-309,191,693.20

Finding the Fourth Proportional to 891,651,029.20, 1,337,476,543.80 and 309,191,693.20

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Solution

The fourth proportional to 891,651,029.20, 1,337,476,543.80 and 309,191,693.20 is: 463,787,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,651,029.20 : 1,337,476,543.80 = 309,191,693.20 : x
  2. Step 2: Convert to fraction form
    891,651,029.20/1,337,476,543.80 = 309,191,693.20/x
  3. Step 3: Cross multiply
    891,651,029.20x = 1,337,476,543.80 × 309,191,693.20
  4. Step 4: Simplify right side
    891,651,029.20x = 413,536,637,192,805,952
  5. Step 5: Solve for x
    x = 413,536,637,192,805,952/891,651,029.20
  6. Step 6: Final answer
    x = 463,787,539.80

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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.