Home / 775,725,868.20-1,164,155,672.70-546,143,356.20

Finding the Fourth Proportional to 775,725,868.20, 1,164,155,672.70 and 546,143,356.20

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Solution

The fourth proportional to 775,725,868.20, 1,164,155,672.70 and 546,143,356.20 is: 819,614,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,725,868.20 : 1,164,155,672.70 = 546,143,356.20 : x
  2. Step 2: Convert to fraction form
    775,725,868.20/1,164,155,672.70 = 546,143,356.20/x
  3. Step 3: Cross multiply
    775,725,868.20x = 1,164,155,672.70 × 546,143,356.20
  4. Step 4: Simplify right side
    775,725,868.20x = 635,795,886,227,646,848
  5. Step 5: Solve for x
    x = 635,795,886,227,646,848/775,725,868.20
  6. Step 6: Final answer
    x = 819,614,134.70

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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.