Home / 1,443,722,625.20-2,165,583,937.80-353,205,693.20

Finding the Fourth Proportional to 1,443,722,625.20, 2,165,583,937.80 and 353,205,693.20

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Solution

The fourth proportional to 1,443,722,625.20, 2,165,583,937.80 and 353,205,693.20 is: 529,808,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,722,625.20 : 2,165,583,937.80 = 353,205,693.20 : x
  2. Step 2: Convert to fraction form
    1,443,722,625.20/2,165,583,937.80 = 353,205,693.20/x
  3. Step 3: Cross multiply
    1,443,722,625.20x = 2,165,583,937.80 × 353,205,693.20
  4. Step 4: Simplify right side
    1,443,722,625.20x = 764,896,575,933,434,752
  5. Step 5: Solve for x
    x = 764,896,575,933,434,752/1,443,722,625.20
  6. Step 6: Final answer
    x = 529,808,539.80

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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.