Home / 803,328,015.40-1,204,992,023.10-221,061,135.40

Finding the Fourth Proportional to 803,328,015.40, 1,204,992,023.10 and 221,061,135.40

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Solution

The fourth proportional to 803,328,015.40, 1,204,992,023.10 and 221,061,135.40 is: 331,591,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,328,015.40 : 1,204,992,023.10 = 221,061,135.40 : x
  2. Step 2: Convert to fraction form
    803,328,015.40/1,204,992,023.10 = 221,061,135.40/x
  3. Step 3: Cross multiply
    803,328,015.40x = 1,204,992,023.10 × 221,061,135.40
  4. Step 4: Simplify right side
    803,328,015.40x = 266,376,904,774,429,024
  5. Step 5: Solve for x
    x = 266,376,904,774,429,024/803,328,015.40
  6. Step 6: Final answer
    x = 331,591,703.10

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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.