Home / 1,171,152,803.52-1,756,218,905.28-394,653,729.60

Finding the Fourth Proportional to 1,171,152,803.52, 1,756,218,905.28 and 394,653,729.60

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Solution

The fourth proportional to 1,171,152,803.52, 1,756,218,905.28 and 394,653,729.60 is: 591,808,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,152,803.52 : 1,756,218,905.28 = 394,653,729.60 : x
  2. Step 2: Convert to fraction form
    1,171,152,803.52/1,756,218,905.28 = 394,653,729.60/x
  3. Step 3: Cross multiply
    1,171,152,803.52x = 1,756,218,905.28 × 394,653,729.60
  4. Step 4: Simplify right side
    1,171,152,803.52x = 693,098,340,962,781,184
  5. Step 5: Solve for x
    x = 693,098,340,962,781,184/1,171,152,803.52
  6. Step 6: Final answer
    x = 591,808,634.09

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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.