Home / 600,311,672.82-827,772,256.17-391,079,808.18

Finding the Fourth Proportional to 600,311,672.82, 827,772,256.17 and 391,079,808.18

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Solution

The fourth proportional to 600,311,672.82, 827,772,256.17 and 391,079,808.18 is: 539,261,569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,311,672.82 : 827,772,256.17 = 391,079,808.18 : x
  2. Step 2: Convert to fraction form
    600,311,672.82/827,772,256.17 = 391,079,808.18/x
  3. Step 3: Cross multiply
    600,311,672.82x = 827,772,256.17 × 391,079,808.18
  4. Step 4: Simplify right side
    600,311,672.82x = 323,725,015,159,689,408
  5. Step 5: Solve for x
    x = 323,725,015,159,689,408/600,311,672.82
  6. Step 6: Final answer
    x = 539,261,569.98

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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.