Home / 1,721,826,479.12-2,376,114,714.19-969,139,218.56

Finding the Fourth Proportional to 1,721,826,479.12, 2,376,114,714.19 and 969,139,218.56

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Solution

The fourth proportional to 1,721,826,479.12, 2,376,114,714.19 and 969,139,218.56 is: 1,337,408,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,826,479.12 : 2,376,114,714.19 = 969,139,218.56 : x
  2. Step 2: Convert to fraction form
    1,721,826,479.12/2,376,114,714.19 = 969,139,218.56/x
  3. Step 3: Cross multiply
    1,721,826,479.12x = 2,376,114,714.19 × 969,139,218.56
  4. Step 4: Simplify right side
    1,721,826,479.12x = 2,302,785,957,307,133,696
  5. Step 5: Solve for x
    x = 2,302,785,957,307,133,696/1,721,826,479.12
  6. Step 6: Final answer
    x = 1,337,408,841.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.