Home / 1,115,175,284.74-1,672,581,123.94-328,044,853.06

Finding the Fourth Proportional to 1,115,175,284.74, 1,672,581,123.94 and 328,044,853.06

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Solution

The fourth proportional to 1,115,175,284.74, 1,672,581,123.94 and 328,044,853.06 is: 492,013,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,175,284.74 : 1,672,581,123.94 = 328,044,853.06 : x
  2. Step 2: Convert to fraction form
    1,115,175,284.74/1,672,581,123.94 = 328,044,853.06/x
  3. Step 3: Cross multiply
    1,115,175,284.74x = 1,672,581,123.94 × 328,044,853.06
  4. Step 4: Simplify right side
    1,115,175,284.74x = 548,681,629,033,826,944
  5. Step 5: Solve for x
    x = 548,681,629,033,826,944/1,115,175,284.74
  6. Step 6: Final answer
    x = 492,013,799.57

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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.