Home / 643,344,278.30-964,856,985.06-183,286,433.42

Finding the Fourth Proportional to 643,344,278.30, 964,856,985.06 and 183,286,433.42

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Solution

The fourth proportional to 643,344,278.30, 964,856,985.06 and 183,286,433.42 is: 274,884,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,344,278.30 : 964,856,985.06 = 183,286,433.42 : x
  2. Step 2: Convert to fraction form
    643,344,278.30/964,856,985.06 = 183,286,433.42/x
  3. Step 3: Cross multiply
    643,344,278.30x = 964,856,985.06 × 183,286,433.42
  4. Step 4: Simplify right side
    643,344,278.30x = 176,845,195,552,021,600
  5. Step 5: Solve for x
    x = 176,845,195,552,021,600/643,344,278.30
  6. Step 6: Final answer
    x = 274,884,228.42

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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.