Home / 945,647,999.40-1,418,471,999.10-510,291,532.20

Finding the Fourth Proportional to 945,647,999.40, 1,418,471,999.10 and 510,291,532.20

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Solution

The fourth proportional to 945,647,999.40, 1,418,471,999.10 and 510,291,532.20 is: 765,437,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,647,999.40 : 1,418,471,999.10 = 510,291,532.20 : x
  2. Step 2: Convert to fraction form
    945,647,999.40/1,418,471,999.10 = 510,291,532.20/x
  3. Step 3: Cross multiply
    945,647,999.40x = 1,418,471,999.10 × 510,291,532.20
  4. Step 4: Simplify right side
    945,647,999.40x = 723,834,249,803,536,000
  5. Step 5: Solve for x
    x = 723,834,249,803,536,000/945,647,999.40
  6. Step 6: Final answer
    x = 765,437,298.30

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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.