Home / 1,786,359,251.38-2,679,093,382.32-525,572,488.50

Finding the Fourth Proportional to 1,786,359,251.38, 2,679,093,382.32 and 525,572,488.50

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Solution

The fourth proportional to 1,786,359,251.38, 2,679,093,382.32 and 525,572,488.50 is: 788,227,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,359,251.38 : 2,679,093,382.32 = 525,572,488.50 : x
  2. Step 2: Convert to fraction form
    1,786,359,251.38/2,679,093,382.32 = 525,572,488.50/x
  3. Step 3: Cross multiply
    1,786,359,251.38x = 2,679,093,382.32 × 525,572,488.50
  4. Step 4: Simplify right side
    1,786,359,251.38x = 1,408,057,775,869,804,288
  5. Step 5: Solve for x
    x = 1,408,057,775,869,804,288/1,786,359,251.38
  6. Step 6: Final answer
    x = 788,227,661.81

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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.