Home / 435,504,831.20-653,257,246.80-217,826,597.60

Finding the Fourth Proportional to 435,504,831.20, 653,257,246.80 and 217,826,597.60

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Solution

The fourth proportional to 435,504,831.20, 653,257,246.80 and 217,826,597.60 is: 326,739,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,504,831.20 : 653,257,246.80 = 217,826,597.60 : x
  2. Step 2: Convert to fraction form
    435,504,831.20/653,257,246.80 = 217,826,597.60/x
  3. Step 3: Cross multiply
    435,504,831.20x = 653,257,246.80 × 217,826,597.60
  4. Step 4: Simplify right side
    435,504,831.20x = 142,296,803,427,987,472
  5. Step 5: Solve for x
    x = 142,296,803,427,987,472/435,504,831.20
  6. Step 6: Final answer
    x = 326,739,896.40

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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.