Home / 231,787,729,603.20-347,681,594,404.80-198,727,847,875.20

Finding the Fourth Proportional to 231,787,729,603.20, 347,681,594,404.80 and 198,727,847,875.20

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Solution

The fourth proportional to 231,787,729,603.20, 347,681,594,404.80 and 198,727,847,875.20 is: 298,091,771,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,729,603.20 : 347,681,594,404.80 = 198,727,847,875.20 : x
  2. Step 2: Convert to fraction form
    231,787,729,603.20/347,681,594,404.80 = 198,727,847,875.20/x
  3. Step 3: Cross multiply
    231,787,729,603.20x = 347,681,594,404.80 × 198,727,847,875.20
  4. Step 4: Simplify right side
    231,787,729,603.20x = 69,094,015,001,884,081,782,784
  5. Step 5: Solve for x
    x = 69,094,015,001,884,081,782,784/231,787,729,603.20
  6. Step 6: Final answer
    x = 298,091,771,812.80

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1.5x scale

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.