Home / 1,217,676,714.30-1,827,206,025.09-657,431,082.72

Finding the Fourth Proportional to 1,217,676,714.30, 1,827,206,025.09 and 657,431,082.72

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Solution

The fourth proportional to 1,217,676,714.30, 1,827,206,025.09 and 657,431,082.72 is: 986,519,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,676,714.30 : 1,827,206,025.09 = 657,431,082.72 : x
  2. Step 2: Convert to fraction form
    1,217,676,714.30/1,827,206,025.09 = 657,431,082.72/x
  3. Step 3: Cross multiply
    1,217,676,714.30x = 1,827,206,025.09 × 657,431,082.72
  4. Step 4: Simplify right side
    1,217,676,714.30x = 1,201,262,035,427,426,304
  5. Step 5: Solve for x
    x = 1,201,262,035,427,426,304/1,217,676,714.30
  6. Step 6: Final answer
    x = 986,519,674.16

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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.