Home / 466,227,253.14-643,376,710.47-257,378,900.82

Finding the Fourth Proportional to 466,227,253.14, 643,376,710.47 and 257,378,900.82

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Solution

The fourth proportional to 466,227,253.14, 643,376,710.47 and 257,378,900.82 is: 355,173,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,227,253.14 : 643,376,710.47 = 257,378,900.82 : x
  2. Step 2: Convert to fraction form
    466,227,253.14/643,376,710.47 = 257,378,900.82/x
  3. Step 3: Cross multiply
    466,227,253.14x = 643,376,710.47 × 257,378,900.82
  4. Step 4: Simplify right side
    466,227,253.14x = 165,591,590,553,956,000
  5. Step 5: Solve for x
    x = 165,591,590,553,956,000/466,227,253.14
  6. Step 6: Final answer
    x = 355,173,554.18

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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.