Home / 764,946,773.60-1,147,420,160.40-247,429,527.80

Finding the Fourth Proportional to 764,946,773.60, 1,147,420,160.40 and 247,429,527.80

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Solution

The fourth proportional to 764,946,773.60, 1,147,420,160.40 and 247,429,527.80 is: 371,144,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,946,773.60 : 1,147,420,160.40 = 247,429,527.80 : x
  2. Step 2: Convert to fraction form
    764,946,773.60/1,147,420,160.40 = 247,429,527.80/x
  3. Step 3: Cross multiply
    764,946,773.60x = 1,147,420,160.40 × 247,429,527.80
  4. Step 4: Simplify right side
    764,946,773.60x = 283,905,628,475,972,288
  5. Step 5: Solve for x
    x = 283,905,628,475,972,288/764,946,773.60
  6. Step 6: Final answer
    x = 371,144,291.70

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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.