Home / 1,745,781,936.16-2,619,017,873.52-640,397,056.45

Finding the Fourth Proportional to 1,745,781,936.16, 2,619,017,873.52 and 640,397,056.45

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Solution

The fourth proportional to 1,745,781,936.16, 2,619,017,873.52 and 640,397,056.45 is: 960,722,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,781,936.16 : 2,619,017,873.52 = 640,397,056.45 : x
  2. Step 2: Convert to fraction form
    1,745,781,936.16/2,619,017,873.52 = 640,397,056.45/x
  3. Step 3: Cross multiply
    1,745,781,936.16x = 2,619,017,873.52 × 640,397,056.45
  4. Step 4: Simplify right side
    1,745,781,936.16x = 1,677,211,336,992,146,432
  5. Step 5: Solve for x
    x = 1,677,211,336,992,146,432/1,745,781,936.16
  6. Step 6: Final answer
    x = 960,722,128.15

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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.