Home / 1,969,193,008.55-2,717,454,376.98-1,077,111,931.92

Finding the Fourth Proportional to 1,969,193,008.55, 2,717,454,376.98 and 1,077,111,931.92

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Solution

The fourth proportional to 1,969,193,008.55, 2,717,454,376.98 and 1,077,111,931.92 is: 1,486,396,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,193,008.55 : 2,717,454,376.98 = 1,077,111,931.92 : x
  2. Step 2: Convert to fraction form
    1,969,193,008.55/2,717,454,376.98 = 1,077,111,931.92/x
  3. Step 3: Cross multiply
    1,969,193,008.55x = 2,717,454,376.98 × 1,077,111,931.92
  4. Step 4: Simplify right side
    1,969,193,008.55x = 2,927,002,533,893,387,776
  5. Step 5: Solve for x
    x = 2,927,002,533,893,387,776/1,969,193,008.55
  6. Step 6: Final answer
    x = 1,486,396,976.42

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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.