Home / 1,941,765,065.16-2,680,364,496.42-1,272,753,223.56

Finding the Fourth Proportional to 1,941,765,065.16, 2,680,364,496.42 and 1,272,753,223.56

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Solution

The fourth proportional to 1,941,765,065.16, 2,680,364,496.42 and 1,272,753,223.56 is: 1,756,877,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,765,065.16 : 2,680,364,496.42 = 1,272,753,223.56 : x
  2. Step 2: Convert to fraction form
    1,941,765,065.16/2,680,364,496.42 = 1,272,753,223.56/x
  3. Step 3: Cross multiply
    1,941,765,065.16x = 2,680,364,496.42 × 1,272,753,223.56
  4. Step 4: Simplify right side
    1,941,765,065.16x = 3,411,442,553,134,330,880
  5. Step 5: Solve for x
    x = 3,411,442,553,134,330,880/1,941,765,065.16
  6. Step 6: Final answer
    x = 1,756,877,087.94

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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.