Home / 378,839,350.86-568,274,831.01-120,048,841.50

Finding the Fourth Proportional to 378,839,350.86, 568,274,831.01 and 120,048,841.50

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Solution

The fourth proportional to 378,839,350.86, 568,274,831.01 and 120,048,841.50 is: 180,078,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,839,350.86 : 568,274,831.01 = 120,048,841.50 : x
  2. Step 2: Convert to fraction form
    378,839,350.86/568,274,831.01 = 120,048,841.50/x
  3. Step 3: Cross multiply
    378,839,350.86x = 568,274,831.01 × 120,048,841.50
  4. Step 4: Simplify right side
    378,839,350.86x = 68,220,735,116,358,776
  5. Step 5: Solve for x
    x = 68,220,735,116,358,776/378,839,350.86
  6. Step 6: Final answer
    x = 180,078,270.54

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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.