Home / 945,554,363.75-1,304,851,401.12-522,185,938.92

Finding the Fourth Proportional to 945,554,363.75, 1,304,851,401.12 and 522,185,938.92

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Solution

The fourth proportional to 945,554,363.75, 1,304,851,401.12 and 522,185,938.92 is: 720,609,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,554,363.75 : 1,304,851,401.12 = 522,185,938.92 : x
  2. Step 2: Convert to fraction form
    945,554,363.75/1,304,851,401.12 = 522,185,938.92/x
  3. Step 3: Cross multiply
    945,554,363.75x = 1,304,851,401.12 × 522,185,938.92
  4. Step 4: Simplify right side
    945,554,363.75x = 681,375,054,044,924,672
  5. Step 5: Solve for x
    x = 681,375,054,044,924,672/945,554,363.75
  6. Step 6: Final answer
    x = 720,609,073.54

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Double scale
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1.5x scale

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.