Home / 268,930,831.60-403,396,247.40-245,972,580.40

Finding the Fourth Proportional to 268,930,831.60, 403,396,247.40 and 245,972,580.40

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Solution

The fourth proportional to 268,930,831.60, 403,396,247.40 and 245,972,580.40 is: 368,958,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,930,831.60 : 403,396,247.40 = 245,972,580.40 : x
  2. Step 2: Convert to fraction form
    268,930,831.60/403,396,247.40 = 245,972,580.40/x
  3. Step 3: Cross multiply
    268,930,831.60x = 403,396,247.40 × 245,972,580.40
  4. Step 4: Simplify right side
    268,930,831.60x = 99,224,415,896,654,784
  5. Step 5: Solve for x
    x = 99,224,415,896,654,784/268,930,831.60
  6. Step 6: Final answer
    x = 368,958,870.60

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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.