Home / 1,107,186,431.10-1,659,645,905.85-646,887,666.30

Finding the Fourth Proportional to 1,107,186,431.10, 1,659,645,905.85 and 646,887,666.30

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Solution

The fourth proportional to 1,107,186,431.10, 1,659,645,905.85 and 646,887,666.30 is: 969,669,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,186,431.10 : 1,659,645,905.85 = 646,887,666.30 : x
  2. Step 2: Convert to fraction form
    1,107,186,431.10/1,659,645,905.85 = 646,887,666.30/x
  3. Step 3: Cross multiply
    1,107,186,431.10x = 1,659,645,905.85 × 646,887,666.30
  4. Step 4: Simplify right side
    1,107,186,431.10x = 1,073,604,466,919,655,936
  5. Step 5: Solve for x
    x = 1,073,604,466,919,655,936/1,107,186,431.10
  6. Step 6: Final answer
    x = 969,669,097.06

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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.