Home / 326,610,554.40-489,915,831.60-188,861,047.20

Finding the Fourth Proportional to 326,610,554.40, 489,915,831.60 and 188,861,047.20

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Solution

The fourth proportional to 326,610,554.40, 489,915,831.60 and 188,861,047.20 is: 283,291,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,610,554.40 : 489,915,831.60 = 188,861,047.20 : x
  2. Step 2: Convert to fraction form
    326,610,554.40/489,915,831.60 = 188,861,047.20/x
  3. Step 3: Cross multiply
    326,610,554.40x = 489,915,831.60 × 188,861,047.20
  4. Step 4: Simplify right side
    326,610,554.40x = 92,526,016,995,834,848
  5. Step 5: Solve for x
    x = 92,526,016,995,834,848/326,610,554.40
  6. Step 6: Final answer
    x = 283,291,570.80

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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.