Home / 517,947,444.80-776,921,167.20-494,059,572.80

Finding the Fourth Proportional to 517,947,444.80, 776,921,167.20 and 494,059,572.80

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Solution

The fourth proportional to 517,947,444.80, 776,921,167.20 and 494,059,572.80 is: 741,089,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,947,444.80 : 776,921,167.20 = 494,059,572.80 : x
  2. Step 2: Convert to fraction form
    517,947,444.80/776,921,167.20 = 494,059,572.80/x
  3. Step 3: Cross multiply
    517,947,444.80x = 776,921,167.20 × 494,059,572.80
  4. Step 4: Simplify right side
    517,947,444.80x = 383,845,339,966,109,376
  5. Step 5: Solve for x
    x = 383,845,339,966,109,376/517,947,444.80
  6. Step 6: Final answer
    x = 741,089,359.20

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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.