Home / 1,107,646,140.78-1,661,472,025.23-452,597,167.88

Finding the Fourth Proportional to 1,107,646,140.78, 1,661,472,025.23 and 452,597,167.88

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Solution

The fourth proportional to 1,107,646,140.78, 1,661,472,025.23 and 452,597,167.88 is: 678,896,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,646,140.78 : 1,661,472,025.23 = 452,597,167.88 : x
  2. Step 2: Convert to fraction form
    1,107,646,140.78/1,661,472,025.23 = 452,597,167.88/x
  3. Step 3: Cross multiply
    1,107,646,140.78x = 1,661,472,025.23 × 452,597,167.88
  4. Step 4: Simplify right side
    1,107,646,140.78x = 751,977,533,130,945,920
  5. Step 5: Solve for x
    x = 751,977,533,130,945,920/1,107,646,140.78
  6. Step 6: Final answer
    x = 678,896,901.68

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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.