Home / 386,324,807.60-579,487,211.40-359,115,028.40

Finding the Fourth Proportional to 386,324,807.60, 579,487,211.40 and 359,115,028.40

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Solution

The fourth proportional to 386,324,807.60, 579,487,211.40 and 359,115,028.40 is: 538,672,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,324,807.60 : 579,487,211.40 = 359,115,028.40 : x
  2. Step 2: Convert to fraction form
    386,324,807.60/579,487,211.40 = 359,115,028.40/x
  3. Step 3: Cross multiply
    386,324,807.60x = 579,487,211.40 × 359,115,028.40
  4. Step 4: Simplify right side
    386,324,807.60x = 208,102,566,379,347,776
  5. Step 5: Solve for x
    x = 208,102,566,379,347,776/386,324,807.60
  6. Step 6: Final answer
    x = 538,672,542.60

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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.