Home / 668,736,426.60-1,002,768,716.70-304,819,626.60

Finding the Fourth Proportional to 668,736,426.60, 1,002,768,716.70 and 304,819,626.60

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Solution

The fourth proportional to 668,736,426.60, 1,002,768,716.70 and 304,819,626.60 is: 457,076,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,736,426.60 : 1,002,768,716.70 = 304,819,626.60 : x
  2. Step 2: Convert to fraction form
    668,736,426.60/1,002,768,716.70 = 304,819,626.60/x
  3. Step 3: Cross multiply
    668,736,426.60x = 1,002,768,716.70 × 304,819,626.60
  4. Step 4: Simplify right side
    668,736,426.60x = 305,663,585,790,655,232
  5. Step 5: Solve for x
    x = 305,663,585,790,655,232/668,736,426.60
  6. Step 6: Final answer
    x = 457,076,321.30

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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.