Home / 1,078,643,868.62-1,488,104,992.14-626,444,855.24

Finding the Fourth Proportional to 1,078,643,868.62, 1,488,104,992.14 and 626,444,855.24

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Solution

The fourth proportional to 1,078,643,868.62, 1,488,104,992.14 and 626,444,855.24 is: 864,247,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,643,868.62 : 1,488,104,992.14 = 626,444,855.24 : x
  2. Step 2: Convert to fraction form
    1,078,643,868.62/1,488,104,992.14 = 626,444,855.24/x
  3. Step 3: Cross multiply
    1,078,643,868.62x = 1,488,104,992.14 × 626,444,855.24
  4. Step 4: Simplify right side
    1,078,643,868.62x = 932,215,716,383,063,680
  5. Step 5: Solve for x
    x = 932,215,716,383,063,680/1,078,643,868.62
  6. Step 6: Final answer
    x = 864,247,916.76

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Double scale
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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.