Home / 449,055,489.52-619,689,980.50-250,819,877.28

Finding the Fourth Proportional to 449,055,489.52, 619,689,980.50 and 250,819,877.28

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Solution

The fourth proportional to 449,055,489.52, 619,689,980.50 and 250,819,877.28 is: 346,127,746.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,055,489.52 : 619,689,980.50 = 250,819,877.28 : x
  2. Step 2: Convert to fraction form
    449,055,489.52/619,689,980.50 = 250,819,877.28/x
  3. Step 3: Cross multiply
    449,055,489.52x = 619,689,980.50 × 250,819,877.28
  4. Step 4: Simplify right side
    449,055,489.52x = 155,430,564,860,655,584
  5. Step 5: Solve for x
    x = 155,430,564,860,655,584/449,055,489.52
  6. Step 6: Final answer
    x = 346,127,746.99

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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.