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Finding the Fourth Proportional to 664,570,719.95, 996,856,079.93 and 664,570,719.95

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Solution

The fourth proportional to 664,570,719.95, 996,856,079.93 and 664,570,719.95 is: 996,856,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,570,719.95 : 996,856,079.93 = 664,570,719.95 : x
  2. Step 2: Convert to fraction form
    664,570,719.95/996,856,079.93 = 664,570,719.95/x
  3. Step 3: Cross multiply
    664,570,719.95x = 996,856,079.93 × 664,570,719.95
  4. Step 4: Simplify right side
    664,570,719.95x = 662,481,362,725,614,848
  5. Step 5: Solve for x
    x = 662,481,362,725,614,848/664,570,719.95
  6. Step 6: Final answer
    x = 996,856,079.93

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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.