Home / 1,296,281,538.40-1,944,508,997.52-455,823,873.64

Finding the Fourth Proportional to 1,296,281,538.40, 1,944,508,997.52 and 455,823,873.64

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Solution

The fourth proportional to 1,296,281,538.40, 1,944,508,997.52 and 455,823,873.64 is: 683,766,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,281,538.40 : 1,944,508,997.52 = 455,823,873.64 : x
  2. Step 2: Convert to fraction form
    1,296,281,538.40/1,944,508,997.52 = 455,823,873.64/x
  3. Step 3: Cross multiply
    1,296,281,538.40x = 1,944,508,997.52 × 455,823,873.64
  4. Step 4: Simplify right side
    1,296,281,538.40x = 886,353,623,577,399,552
  5. Step 5: Solve for x
    x = 886,353,623,577,399,552/1,296,281,538.40
  6. Step 6: Final answer
    x = 683,766,294.07

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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.