Home / 3,772,561,538.52-5,206,012,832.64-2,165,281,088.40

Finding the Fourth Proportional to 3,772,561,538.52, 5,206,012,832.64 and 2,165,281,088.40

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Solution

The fourth proportional to 3,772,561,538.52, 5,206,012,832.64 and 2,165,281,088.40 is: 2,988,017,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772,561,538.52 : 5,206,012,832.64 = 2,165,281,088.40 : x
  2. Step 2: Convert to fraction form
    3,772,561,538.52/5,206,012,832.64 = 2,165,281,088.40/x
  3. Step 3: Cross multiply
    3,772,561,538.52x = 5,206,012,832.64 × 2,165,281,088.40
  4. Step 4: Simplify right side
    3,772,561,538.52x = 11,272,481,132,483,106,816
  5. Step 5: Solve for x
    x = 11,272,481,132,483,106,816/3,772,561,538.52
  6. Step 6: Final answer
    x = 2,988,017,827.51

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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.