Home / 377,063,139.15-520,338,962.00-218,299,951.80

Finding the Fourth Proportional to 377,063,139.15, 520,338,962.00 and 218,299,951.80

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Solution

The fourth proportional to 377,063,139.15, 520,338,962.00 and 218,299,951.80 is: 301,249,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,063,139.15 : 520,338,962.00 = 218,299,951.80 : x
  2. Step 2: Convert to fraction form
    377,063,139.15/520,338,962.00 = 218,299,951.80/x
  3. Step 3: Cross multiply
    377,063,139.15x = 520,338,962.00 × 218,299,951.80
  4. Step 4: Simplify right side
    377,063,139.15x = 113,589,970,324,807,792
  5. Step 5: Solve for x
    x = 113,589,970,324,807,792/377,063,139.15
  6. Step 6: Final answer
    x = 301,249,203.46

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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.