Home / 571,069,415.35-856,607,078.94-259,959,459.61

Finding the Fourth Proportional to 571,069,415.35, 856,607,078.94 and 259,959,459.61

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Solution

The fourth proportional to 571,069,415.35, 856,607,078.94 and 259,959,459.61 is: 389,940,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,069,415.35 : 856,607,078.94 = 259,959,459.61 : x
  2. Step 2: Convert to fraction form
    571,069,415.35/856,607,078.94 = 259,959,459.61/x
  3. Step 3: Cross multiply
    571,069,415.35x = 856,607,078.94 × 259,959,459.61
  4. Step 4: Simplify right side
    571,069,415.35x = 222,683,113,339,343,040
  5. Step 5: Solve for x
    x = 222,683,113,339,343,040/571,069,415.35
  6. Step 6: Final answer
    x = 389,940,534.99

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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.