Home / 1,761,503,647.41-2,643,285,802.39-656,871,642.45

Finding the Fourth Proportional to 1,761,503,647.41, 2,643,285,802.39 and 656,871,642.45

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Solution

The fourth proportional to 1,761,503,647.41, 2,643,285,802.39 and 656,871,642.45 is: 985,691,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,503,647.41 : 2,643,285,802.39 = 656,871,642.45 : x
  2. Step 2: Convert to fraction form
    1,761,503,647.41/2,643,285,802.39 = 656,871,642.45/x
  3. Step 3: Cross multiply
    1,761,503,647.41x = 2,643,285,802.39 × 656,871,642.45
  4. Step 4: Simplify right side
    1,761,503,647.41x = 1,736,299,486,479,043,328
  5. Step 5: Solve for x
    x = 1,736,299,486,479,043,328/1,761,503,647.41
  6. Step 6: Final answer
    x = 985,691,678.26

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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.