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Finding the Fourth Proportional to 659,764,076.46, 910,420,218.54 and 362,390,950.50

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Solution

The fourth proportional to 659,764,076.46, 910,420,218.54 and 362,390,950.50 is: 500,069,737.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,764,076.46 : 910,420,218.54 = 362,390,950.50 : x
  2. Step 2: Convert to fraction form
    659,764,076.46/910,420,218.54 = 362,390,950.50/x
  3. Step 3: Cross multiply
    659,764,076.46x = 910,420,218.54 × 362,390,950.50
  4. Step 4: Simplify right side
    659,764,076.46x = 329,928,048,351,128,320
  5. Step 5: Solve for x
    x = 329,928,048,351,128,320/659,764,076.46
  6. Step 6: Final answer
    x = 500,069,737.23

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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.