Home / 872,963,869,558.88-1,204,677,319,242.90-487,593,839,369.23

Finding the Fourth Proportional to 872,963,869,558.88, 1,204,677,319,242.90 and 487,593,839,369.23

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Solution

The fourth proportional to 872,963,869,558.88, 1,204,677,319,242.90 and 487,593,839,369.23 is: 672,872,337,302.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,963,869,558.88 : 1,204,677,319,242.90 = 487,593,839,369.23 : x
  2. Step 2: Convert to fraction form
    872,963,869,558.88/1,204,677,319,242.90 = 487,593,839,369.23/x
  3. Step 3: Cross multiply
    872,963,869,558.88x = 1,204,677,319,242.90 × 487,593,839,369.23
  4. Step 4: Simplify right side
    872,963,869,558.88x = 587,393,239,290,677,100,019,712
  5. Step 5: Solve for x
    x = 587,393,239,290,677,100,019,712/872,963,869,558.88
  6. Step 6: Final answer
    x = 672,872,337,302.45

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Double scale
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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.