Home / 71,617,805,679.06-98,832,879,099.46-39,065,728,714.38

Finding the Fourth Proportional to 71,617,805,679.06, 98,832,879,099.46 and 39,065,728,714.38

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Solution

The fourth proportional to 71,617,805,679.06, 98,832,879,099.46 and 39,065,728,714.38 is: 53,910,873,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,617,805,679.06 : 98,832,879,099.46 = 39,065,728,714.38 : x
  2. Step 2: Convert to fraction form
    71,617,805,679.06/98,832,879,099.46 = 39,065,728,714.38/x
  3. Step 3: Cross multiply
    71,617,805,679.06x = 98,832,879,099.46 × 39,065,728,714.38
  4. Step 4: Simplify right side
    71,617,805,679.06x = 3,860,978,442,960,621,273,088
  5. Step 5: Solve for x
    x = 3,860,978,442,960,621,273,088/71,617,805,679.06
  6. Step 6: Final answer
    x = 53,910,873,229.81

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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.