Home / 780,327,831.94-1,170,495,659.90-198,062,250.77

Finding the Fourth Proportional to 780,327,831.94, 1,170,495,659.90 and 198,062,250.77

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Solution

The fourth proportional to 780,327,831.94, 1,170,495,659.90 and 198,062,250.77 is: 297,094,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,327,831.94 : 1,170,495,659.90 = 198,062,250.77 : x
  2. Step 2: Convert to fraction form
    780,327,831.94/1,170,495,659.90 = 198,062,250.77/x
  3. Step 3: Cross multiply
    780,327,831.94x = 1,170,495,659.90 × 198,062,250.77
  4. Step 4: Simplify right side
    780,327,831.94x = 231,831,004,919,731,808
  5. Step 5: Solve for x
    x = 231,831,004,919,731,808/780,327,831.94
  6. Step 6: Final answer
    x = 297,094,369.10

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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.