Home / 3,745,801,961.65-5,168,549,639.12-2,137,522,656.69

Finding the Fourth Proportional to 3,745,801,961.65, 5,168,549,639.12 and 2,137,522,656.69

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Solution

The fourth proportional to 3,745,801,961.65, 5,168,549,639.12 and 2,137,522,656.69 is: 2,949,406,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745,801,961.65 : 5,168,549,639.12 = 2,137,522,656.69 : x
  2. Step 2: Convert to fraction form
    3,745,801,961.65/5,168,549,639.12 = 2,137,522,656.69/x
  3. Step 3: Cross multiply
    3,745,801,961.65x = 5,168,549,639.12 × 2,137,522,656.69
  4. Step 4: Simplify right side
    3,745,801,961.65x = 11,047,891,955,845,922,816
  5. Step 5: Solve for x
    x = 11,047,891,955,845,922,816/3,745,801,961.65
  6. Step 6: Final answer
    x = 2,949,406,313.78

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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.