Home / 1,350,682,975,418.40-1,863,942,506,078-772,619,494,195.75

Finding the Fourth Proportional to 1,350,682,975,418.40, 1,863,942,506,078 and 772,619,494,195.75

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Solution

The fourth proportional to 1,350,682,975,418.40, 1,863,942,506,078 and 772,619,494,195.75 is: 1,066,214,901,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,682,975,418.40 : 1,863,942,506,078 = 772,619,494,195.75 : x
  2. Step 2: Convert to fraction form
    1,350,682,975,418.40/1,863,942,506,078 = 772,619,494,195.75/x
  3. Step 3: Cross multiply
    1,350,682,975,418.40x = 1,863,942,506,078 × 772,619,494,195.75
  4. Step 4: Simplify right side
    1,350,682,975,418.40x = 1,440,118,316,255,942,988,005,376
  5. Step 5: Solve for x
    x = 1,440,118,316,255,942,988,005,376/1,350,682,975,418.40
  6. Step 6: Final answer
    x = 1,066,214,901,990.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.