Home / 800,255,764.31-1,199,144,011.12-555,089,040.23

Finding the Fourth Proportional to 800,255,764.31, 1,199,144,011.12 and 555,089,040.23

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Solution

The fourth proportional to 800,255,764.31, 1,199,144,011.12 and 555,089,040.23 is: 831,773,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,255,764.31 : 1,199,144,011.12 = 555,089,040.23 : x
  2. Step 2: Convert to fraction form
    800,255,764.31/1,199,144,011.12 = 555,089,040.23/x
  3. Step 3: Cross multiply
    800,255,764.31x = 1,199,144,011.12 × 555,089,040.23
  4. Step 4: Simplify right side
    800,255,764.31x = 665,631,698,221,382,144
  5. Step 5: Solve for x
    x = 665,631,698,221,382,144/800,255,764.31
  6. Step 6: Final answer
    x = 831,773,700.25

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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.