Home / 657,930,987.45-986,896,481.18-528,790,824.45

Finding the Fourth Proportional to 657,930,987.45, 986,896,481.18 and 528,790,824.45

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Solution

The fourth proportional to 657,930,987.45, 986,896,481.18 and 528,790,824.45 is: 793,186,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,930,987.45 : 986,896,481.18 = 528,790,824.45 : x
  2. Step 2: Convert to fraction form
    657,930,987.45/986,896,481.18 = 528,790,824.45/x
  3. Step 3: Cross multiply
    657,930,987.45x = 986,896,481.18 × 528,790,824.45
  4. Step 4: Simplify right side
    657,930,987.45x = 521,861,803,927,332,096
  5. Step 5: Solve for x
    x = 521,861,803,927,332,096/657,930,987.45
  6. Step 6: Final answer
    x = 793,186,236.68

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Double scale
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Similar ratio
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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.