Home / 71,617,805,828.30-98,832,879,305.34-39,065,728,863.56

Finding the Fourth Proportional to 71,617,805,828.30, 98,832,879,305.34 and 39,065,728,863.56

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Solution

The fourth proportional to 71,617,805,828.30, 98,832,879,305.34 and 39,065,728,863.56 is: 53,910,873,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,617,805,828.30 : 98,832,879,305.34 = 39,065,728,863.56 : x
  2. Step 2: Convert to fraction form
    71,617,805,828.30/98,832,879,305.34 = 39,065,728,863.56/x
  3. Step 3: Cross multiply
    71,617,805,828.30x = 98,832,879,305.34 × 39,065,728,863.56
  4. Step 4: Simplify right side
    71,617,805,828.30x = 3,860,978,465,746,673,205,248
  5. Step 5: Solve for x
    x = 3,860,978,465,746,673,205,248/71,617,805,828.30
  6. Step 6: Final answer
    x = 53,910,873,435.63

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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.