Home / 740,315,138.72-1,103,854,100.44-719,975,563.04

Finding the Fourth Proportional to 740,315,138.72, 1,103,854,100.44 and 719,975,563.04

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Solution

The fourth proportional to 740,315,138.72, 1,103,854,100.44 and 719,975,563.04 is: 1,073,526,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,315,138.72 : 1,103,854,100.44 = 719,975,563.04 : x
  2. Step 2: Convert to fraction form
    740,315,138.72/1,103,854,100.44 = 719,975,563.04/x
  3. Step 3: Cross multiply
    740,315,138.72x = 1,103,854,100.44 × 719,975,563.04
  4. Step 4: Simplify right side
    740,315,138.72x = 794,747,977,478,301,696
  5. Step 5: Solve for x
    x = 794,747,977,478,301,696/740,315,138.72
  6. Step 6: Final answer
    x = 1,073,526,577.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.