Home / 1,382,628,702.38-1,908,175,473.87-847,135,742.91

Finding the Fourth Proportional to 1,382,628,702.38, 1,908,175,473.87 and 847,135,742.91

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Solution

The fourth proportional to 1,382,628,702.38, 1,908,175,473.87 and 847,135,742.91 is: 1,169,137,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,628,702.38 : 1,908,175,473.87 = 847,135,742.91 : x
  2. Step 2: Convert to fraction form
    1,382,628,702.38/1,908,175,473.87 = 847,135,742.91/x
  3. Step 3: Cross multiply
    1,382,628,702.38x = 1,908,175,473.87 × 847,135,742.91
  4. Step 4: Simplify right side
    1,382,628,702.38x = 1,616,483,647,659,503,616
  5. Step 5: Solve for x
    x = 1,616,483,647,659,503,616/1,382,628,702.38
  6. Step 6: Final answer
    x = 1,169,137,921.76

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1.5x scale

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.