Home / 449,055,489.08-619,689,979.89-250,819,876.84

Finding the Fourth Proportional to 449,055,489.08, 619,689,979.89 and 250,819,876.84

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Solution

The fourth proportional to 449,055,489.08, 619,689,979.89 and 250,819,876.84 is: 346,127,746.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,055,489.08 : 619,689,979.89 = 250,819,876.84 : x
  2. Step 2: Convert to fraction form
    449,055,489.08/619,689,979.89 = 250,819,876.84/x
  3. Step 3: Cross multiply
    449,055,489.08x = 619,689,979.89 × 250,819,876.84
  4. Step 4: Simplify right side
    449,055,489.08x = 155,430,564,433,905,376
  5. Step 5: Solve for x
    x = 155,430,564,433,905,376/449,055,489.08
  6. Step 6: Final answer
    x = 346,127,746.38

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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.