Home / 371,771,200.80-557,656,801.20-331,594,261.20

Finding the Fourth Proportional to 371,771,200.80, 557,656,801.20 and 331,594,261.20

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Solution

The fourth proportional to 371,771,200.80, 557,656,801.20 and 331,594,261.20 is: 497,391,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,771,200.80 : 557,656,801.20 = 331,594,261.20 : x
  2. Step 2: Convert to fraction form
    371,771,200.80/557,656,801.20 = 331,594,261.20/x
  3. Step 3: Cross multiply
    371,771,200.80x = 557,656,801.20 × 331,594,261.20
  4. Step 4: Simplify right side
    371,771,200.80x = 184,915,794,997,069,280
  5. Step 5: Solve for x
    x = 184,915,794,997,069,280/371,771,200.80
  6. Step 6: Final answer
    x = 497,391,391.80

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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.