Home / 872,963,869,568.17-1,204,677,319,255.70-487,593,839,378.48

Finding the Fourth Proportional to 872,963,869,568.17, 1,204,677,319,255.70 and 487,593,839,378.48

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Solution

The fourth proportional to 872,963,869,568.17, 1,204,677,319,255.70 and 487,593,839,378.48 is: 672,872,337,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,963,869,568.17 : 1,204,677,319,255.70 = 487,593,839,378.48 : x
  2. Step 2: Convert to fraction form
    872,963,869,568.17/1,204,677,319,255.70 = 487,593,839,378.48/x
  3. Step 3: Cross multiply
    872,963,869,568.17x = 1,204,677,319,255.70 × 487,593,839,378.48
  4. Step 4: Simplify right side
    872,963,869,568.17x = 587,393,239,308,061,584,130,048
  5. Step 5: Solve for x
    x = 587,393,239,308,061,584,130,048/872,963,869,568.17
  6. Step 6: Final answer
    x = 672,872,337,315.21

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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.