Home / 719,691,066.90-1,079,536,611.69-174,432,600.90

Finding the Fourth Proportional to 719,691,066.90, 1,079,536,611.69 and 174,432,600.90

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Solution

The fourth proportional to 719,691,066.90, 1,079,536,611.69 and 174,432,600.90 is: 261,648,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,691,066.90 : 1,079,536,611.69 = 174,432,600.90 : x
  2. Step 2: Convert to fraction form
    719,691,066.90/1,079,536,611.69 = 174,432,600.90/x
  3. Step 3: Cross multiply
    719,691,066.90x = 1,079,536,611.69 × 174,432,600.90
  4. Step 4: Simplify right side
    719,691,066.90x = 188,306,378,943,860,064
  5. Step 5: Solve for x
    x = 188,306,378,943,860,064/719,691,066.90
  6. Step 6: Final answer
    x = 261,648,904.10

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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.