Home / 2,255,882,878.70-3,112,962,151.67-1,252,221,394.15

Finding the Fourth Proportional to 2,255,882,878.70, 3,112,962,151.67 and 1,252,221,394.15

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Solution

The fourth proportional to 2,255,882,878.70, 3,112,962,151.67 and 1,252,221,394.15 is: 1,727,978,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,882,878.70 : 3,112,962,151.67 = 1,252,221,394.15 : x
  2. Step 2: Convert to fraction form
    2,255,882,878.70/3,112,962,151.67 = 1,252,221,394.15/x
  3. Step 3: Cross multiply
    2,255,882,878.70x = 3,112,962,151.67 × 1,252,221,394.15
  4. Step 4: Simplify right side
    2,255,882,878.70x = 3,898,117,805,492,204,032
  5. Step 5: Solve for x
    x = 3,898,117,805,492,204,032/2,255,882,878.70
  6. Step 6: Final answer
    x = 1,727,978,807.01

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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.