Home / 509,940,087.40-764,910,131.10-326,274,077.80

Finding the Fourth Proportional to 509,940,087.40, 764,910,131.10 and 326,274,077.80

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Solution

The fourth proportional to 509,940,087.40, 764,910,131.10 and 326,274,077.80 is: 489,411,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,940,087.40 : 764,910,131.10 = 326,274,077.80 : x
  2. Step 2: Convert to fraction form
    509,940,087.40/764,910,131.10 = 326,274,077.80/x
  3. Step 3: Cross multiply
    509,940,087.40x = 764,910,131.10 × 326,274,077.80
  4. Step 4: Simplify right side
    509,940,087.40x = 249,570,347,624,529,632
  5. Step 5: Solve for x
    x = 249,570,347,624,529,632/509,940,087.40
  6. Step 6: Final answer
    x = 489,411,116.70

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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.