Home / 957,090,920.31-1,320,879,626.32-580,717,968.69

Finding the Fourth Proportional to 957,090,920.31, 1,320,879,626.32 and 580,717,968.69

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Solution

The fourth proportional to 957,090,920.31, 1,320,879,626.32 and 580,717,968.69 is: 801,447,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,090,920.31 : 1,320,879,626.32 = 580,717,968.69 : x
  2. Step 2: Convert to fraction form
    957,090,920.31/1,320,879,626.32 = 580,717,968.69/x
  3. Step 3: Cross multiply
    957,090,920.31x = 1,320,879,626.32 × 580,717,968.69
  4. Step 4: Simplify right side
    957,090,920.31x = 767,058,533,476,661,376
  5. Step 5: Solve for x
    x = 767,058,533,476,661,376/957,090,920.31
  6. Step 6: Final answer
    x = 801,447,926.42

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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.