Home / 258,695,780.40-388,043,670.60-234,887,223.60

Finding the Fourth Proportional to 258,695,780.40, 388,043,670.60 and 234,887,223.60

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Solution

The fourth proportional to 258,695,780.40, 388,043,670.60 and 234,887,223.60 is: 352,330,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,695,780.40 : 388,043,670.60 = 234,887,223.60 : x
  2. Step 2: Convert to fraction form
    258,695,780.40/388,043,670.60 = 234,887,223.60/x
  3. Step 3: Cross multiply
    258,695,780.40x = 388,043,670.60 × 234,887,223.60
  4. Step 4: Simplify right side
    258,695,780.40x = 91,146,500,422,786,944
  5. Step 5: Solve for x
    x = 91,146,500,422,786,944/258,695,780.40
  6. Step 6: Final answer
    x = 352,330,835.40

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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.