Home / 314,929,796.80-472,394,695.20-238,402,292.80

Finding the Fourth Proportional to 314,929,796.80, 472,394,695.20 and 238,402,292.80

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Solution

The fourth proportional to 314,929,796.80, 472,394,695.20 and 238,402,292.80 is: 357,603,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,796.80 : 472,394,695.20 = 238,402,292.80 : x
  2. Step 2: Convert to fraction form
    314,929,796.80/472,394,695.20 = 238,402,292.80/x
  3. Step 3: Cross multiply
    314,929,796.80x = 472,394,695.20 × 238,402,292.80
  4. Step 4: Simplify right side
    314,929,796.80x = 112,619,978,442,237,152
  5. Step 5: Solve for x
    x = 112,619,978,442,237,152/314,929,796.80
  6. Step 6: Final answer
    x = 357,603,439.20

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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.