Home / 708,593,412.80-1,062,890,119.20-682,765,380.20

Finding the Fourth Proportional to 708,593,412.80, 1,062,890,119.20 and 682,765,380.20

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Solution

The fourth proportional to 708,593,412.80, 1,062,890,119.20 and 682,765,380.20 is: 1,024,148,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,593,412.80 : 1,062,890,119.20 = 682,765,380.20 : x
  2. Step 2: Convert to fraction form
    708,593,412.80/1,062,890,119.20 = 682,765,380.20/x
  3. Step 3: Cross multiply
    708,593,412.80x = 1,062,890,119.20 × 682,765,380.20
  4. Step 4: Simplify right side
    708,593,412.80x = 725,704,576,346,411,392
  5. Step 5: Solve for x
    x = 725,704,576,346,411,392/708,593,412.80
  6. Step 6: Final answer
    x = 1,024,148,070.30

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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.