Home / 749,191,069.56-1,123,275,830.44-380,014,146.56

Finding the Fourth Proportional to 749,191,069.56, 1,123,275,830.44 and 380,014,146.56

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Solution

The fourth proportional to 749,191,069.56, 1,123,275,830.44 and 380,014,146.56 is: 569,762,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,191,069.56 : 1,123,275,830.44 = 380,014,146.56 : x
  2. Step 2: Convert to fraction form
    749,191,069.56/1,123,275,830.44 = 380,014,146.56/x
  3. Step 3: Cross multiply
    749,191,069.56x = 1,123,275,830.44 × 380,014,146.56
  4. Step 4: Simplify right side
    749,191,069.56x = 426,860,706,056,131,904
  5. Step 5: Solve for x
    x = 426,860,706,056,131,904/749,191,069.56
  6. Step 6: Final answer
    x = 569,762,138.66

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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.