Home / 1,217,676,703.41-1,827,206,008.79-657,431,071.85

Finding the Fourth Proportional to 1,217,676,703.41, 1,827,206,008.79 and 657,431,071.85

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Solution

The fourth proportional to 1,217,676,703.41, 1,827,206,008.79 and 657,431,071.85 is: 986,519,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,676,703.41 : 1,827,206,008.79 = 657,431,071.85 : x
  2. Step 2: Convert to fraction form
    1,217,676,703.41/1,827,206,008.79 = 657,431,071.85/x
  3. Step 3: Cross multiply
    1,217,676,703.41x = 1,827,206,008.79 × 657,431,071.85
  4. Step 4: Simplify right side
    1,217,676,703.41x = 1,201,262,004,849,570,304
  5. Step 5: Solve for x
    x = 1,201,262,004,849,570,304/1,217,676,703.41
  6. Step 6: Final answer
    x = 986,519,657.87

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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.