Home / 551,380,453.20-760,905,041.04-303,861,807.54

Finding the Fourth Proportional to 551,380,453.20, 760,905,041.04 and 303,861,807.54

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Solution

The fourth proportional to 551,380,453.20, 760,905,041.04 and 303,861,807.54 is: 419,329,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,380,453.20 : 760,905,041.04 = 303,861,807.54 : x
  2. Step 2: Convert to fraction form
    551,380,453.20/760,905,041.04 = 303,861,807.54/x
  3. Step 3: Cross multiply
    551,380,453.20x = 760,905,041.04 × 303,861,807.54
  4. Step 4: Simplify right side
    551,380,453.20x = 231,209,981,136,712,288
  5. Step 5: Solve for x
    x = 231,209,981,136,712,288/551,380,453.20
  6. Step 6: Final answer
    x = 419,329,303.02

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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.