Home / 476,928,027.70-715,392,041.55-331,809,205.30

Finding the Fourth Proportional to 476,928,027.70, 715,392,041.55 and 331,809,205.30

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Solution

The fourth proportional to 476,928,027.70, 715,392,041.55 and 331,809,205.30 is: 497,713,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,928,027.70 : 715,392,041.55 = 331,809,205.30 : x
  2. Step 2: Convert to fraction form
    476,928,027.70/715,392,041.55 = 331,809,205.30/x
  3. Step 3: Cross multiply
    476,928,027.70x = 715,392,041.55 × 331,809,205.30
  4. Step 4: Simplify right side
    476,928,027.70x = 237,373,664,784,650,080
  5. Step 5: Solve for x
    x = 237,373,664,784,650,080/476,928,027.70
  6. Step 6: Final answer
    x = 497,713,807.95

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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.