Home / 643,344,269.28-964,856,971.56-183,286,424.40

Finding the Fourth Proportional to 643,344,269.28, 964,856,971.56 and 183,286,424.40

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Solution

The fourth proportional to 643,344,269.28, 964,856,971.56 and 183,286,424.40 is: 274,884,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,344,269.28 : 964,856,971.56 = 183,286,424.40 : x
  2. Step 2: Convert to fraction form
    643,344,269.28/964,856,971.56 = 183,286,424.40/x
  3. Step 3: Cross multiply
    643,344,269.28x = 964,856,971.56 × 183,286,424.40
  4. Step 4: Simplify right side
    643,344,269.28x = 176,845,184,374,644,896
  5. Step 5: Solve for x
    x = 176,845,184,374,644,896/643,344,269.28
  6. Step 6: Final answer
    x = 274,884,214.90

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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.