Home / 1,264,247,275,399-1,744,662,531,257.20-686,183,913,353.88

Finding the Fourth Proportional to 1,264,247,275,399, 1,744,662,531,257.20 and 686,183,913,353.88

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Solution

The fourth proportional to 1,264,247,275,399, 1,744,662,531,257.20 and 686,183,913,353.88 is: 946,934,501,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,247,275,399 : 1,744,662,531,257.20 = 686,183,913,353.88 : x
  2. Step 2: Convert to fraction form
    1,264,247,275,399/1,744,662,531,257.20 = 686,183,913,353.88/x
  3. Step 3: Cross multiply
    1,264,247,275,399x = 1,744,662,531,257.20 × 686,183,913,353.88
  4. Step 4: Simplify right side
    1,264,247,275,399x = 1,197,159,363,179,951,501,082,624
  5. Step 5: Solve for x
    x = 1,197,159,363,179,951,501,082,624/1,264,247,275,399
  6. Step 6: Final answer
    x = 946,934,501,244.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.