Home / 746,753,443.80-1,120,130,165.70-672,776,856.60

Finding the Fourth Proportional to 746,753,443.80, 1,120,130,165.70 and 672,776,856.60

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Solution

The fourth proportional to 746,753,443.80, 1,120,130,165.70 and 672,776,856.60 is: 1,009,165,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,753,443.80 : 1,120,130,165.70 = 672,776,856.60 : x
  2. Step 2: Convert to fraction form
    746,753,443.80/1,120,130,165.70 = 672,776,856.60/x
  3. Step 3: Cross multiply
    746,753,443.80x = 1,120,130,165.70 × 672,776,856.60
  4. Step 4: Simplify right side
    746,753,443.80x = 753,597,651,862,483,200
  5. Step 5: Solve for x
    x = 753,597,651,862,483,200/746,753,443.80
  6. Step 6: Final answer
    x = 1,009,165,284.90

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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.