Home / 1,745,780,931.84-2,619,016,366.92-640,396,052.16

Finding the Fourth Proportional to 1,745,780,931.84, 2,619,016,366.92 and 640,396,052.16

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Solution

The fourth proportional to 1,745,780,931.84, 2,619,016,366.92 and 640,396,052.16 is: 960,720,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,780,931.84 : 2,619,016,366.92 = 640,396,052.16 : x
  2. Step 2: Convert to fraction form
    1,745,780,931.84/2,619,016,366.92 = 640,396,052.16/x
  3. Step 3: Cross multiply
    1,745,780,931.84x = 2,619,016,366.92 × 640,396,052.16
  4. Step 4: Simplify right side
    1,745,780,931.84x = 1,677,207,741,917,993,984
  5. Step 5: Solve for x
    x = 1,677,207,741,917,993,984/1,745,780,931.84
  6. Step 6: Final answer
    x = 960,720,621.54

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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.