Home / 2,512,191,980.31-3,768,849,994.19-765,531,417.75

Finding the Fourth Proportional to 2,512,191,980.31, 3,768,849,994.19 and 765,531,417.75

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Solution

The fourth proportional to 2,512,191,980.31, 3,768,849,994.19 and 765,531,417.75 is: 1,148,468,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512,191,980.31 : 3,768,849,994.19 = 765,531,417.75 : x
  2. Step 2: Convert to fraction form
    2,512,191,980.31/3,768,849,994.19 = 765,531,417.75/x
  3. Step 3: Cross multiply
    2,512,191,980.31x = 3,768,849,994.19 × 765,531,417.75
  4. Step 4: Simplify right side
    2,512,191,980.31x = 2,885,173,079,335,522,304
  5. Step 5: Solve for x
    x = 2,885,173,079,335,522,304/2,512,191,980.31
  6. Step 6: Final answer
    x = 1,148,468,390.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.