Home / 886,233,427.40-1,328,161,871.10-689,734,116.38

Finding the Fourth Proportional to 886,233,427.40, 1,328,161,871.10 and 689,734,116.38

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Solution

The fourth proportional to 886,233,427.40, 1,328,161,871.10 and 689,734,116.38 is: 1,033,676,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,233,427.40 : 1,328,161,871.10 = 689,734,116.38 : x
  2. Step 2: Convert to fraction form
    886,233,427.40/1,328,161,871.10 = 689,734,116.38/x
  3. Step 3: Cross multiply
    886,233,427.40x = 1,328,161,871.10 × 689,734,116.38
  4. Step 4: Simplify right side
    886,233,427.40x = 916,078,554,572,765,824
  5. Step 5: Solve for x
    x = 916,078,554,572,765,824/886,233,427.40
  6. Step 6: Final answer
    x = 1,033,676,372.67

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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.