Home / 627,079,908.53-865,373,638.56-344,840,549.20

Finding the Fourth Proportional to 627,079,908.53, 865,373,638.56 and 344,840,549.20

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Solution

The fourth proportional to 627,079,908.53, 865,373,638.56 and 344,840,549.20 is: 475,881,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,079,908.53 : 865,373,638.56 = 344,840,549.20 : x
  2. Step 2: Convert to fraction form
    627,079,908.53/865,373,638.56 = 344,840,549.20/x
  3. Step 3: Cross multiply
    627,079,908.53x = 865,373,638.56 × 344,840,549.20
  4. Step 4: Simplify right side
    627,079,908.53x = 298,415,920,784,232,640
  5. Step 5: Solve for x
    x = 298,415,920,784,232,640/627,079,908.53
  6. Step 6: Final answer
    x = 475,881,808.24

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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.