Home / 375,436,090.80-563,154,136.20-361,831,201.20

Finding the Fourth Proportional to 375,436,090.80, 563,154,136.20 and 361,831,201.20

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Solution

The fourth proportional to 375,436,090.80, 563,154,136.20 and 361,831,201.20 is: 542,746,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,436,090.80 : 563,154,136.20 = 361,831,201.20 : x
  2. Step 2: Convert to fraction form
    375,436,090.80/563,154,136.20 = 361,831,201.20/x
  3. Step 3: Cross multiply
    375,436,090.80x = 563,154,136.20 × 361,831,201.20
  4. Step 4: Simplify right side
    375,436,090.80x = 203,766,737,561,994,400
  5. Step 5: Solve for x
    x = 203,766,737,561,994,400/375,436,090.80
  6. Step 6: Final answer
    x = 542,746,801.80

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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.