Home / 800,255,765.81-1,199,144,013.36-555,089,041.73

Finding the Fourth Proportional to 800,255,765.81, 1,199,144,013.36 and 555,089,041.73

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Solution

The fourth proportional to 800,255,765.81, 1,199,144,013.36 and 555,089,041.73 is: 831,773,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,255,765.81 : 1,199,144,013.36 = 555,089,041.73 : x
  2. Step 2: Convert to fraction form
    800,255,765.81/1,199,144,013.36 = 555,089,041.73/x
  3. Step 3: Cross multiply
    800,255,765.81x = 1,199,144,013.36 × 555,089,041.73
  4. Step 4: Simplify right side
    800,255,765.81x = 665,631,701,272,268,672
  5. Step 5: Solve for x
    x = 665,631,701,272,268,672/800,255,765.81
  6. Step 6: Final answer
    x = 831,773,702.50

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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.