Home / 697,635,999.60-1,046,453,999.40-491,011,738.80

Finding the Fourth Proportional to 697,635,999.60, 1,046,453,999.40 and 491,011,738.80

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Solution

The fourth proportional to 697,635,999.60, 1,046,453,999.40 and 491,011,738.80 is: 736,517,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,635,999.60 : 1,046,453,999.40 = 491,011,738.80 : x
  2. Step 2: Convert to fraction form
    697,635,999.60/1,046,453,999.40 = 491,011,738.80/x
  3. Step 3: Cross multiply
    697,635,999.60x = 1,046,453,999.40 × 491,011,738.80
  4. Step 4: Simplify right side
    697,635,999.60x = 513,821,197,819,608,128
  5. Step 5: Solve for x
    x = 513,821,197,819,608,128/697,635,999.60
  6. Step 6: Final answer
    x = 736,517,608.20

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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.