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Finding the Fourth Proportional to 367,984,719,782.80, 551,977,079,674.20 and 367,984,719,782.80

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Solution

The fourth proportional to 367,984,719,782.80, 551,977,079,674.20 and 367,984,719,782.80 is: 551,977,079,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,984,719,782.80 : 551,977,079,674.20 = 367,984,719,782.80 : x
  2. Step 2: Convert to fraction form
    367,984,719,782.80/551,977,079,674.20 = 367,984,719,782.80/x
  3. Step 3: Cross multiply
    367,984,719,782.80x = 551,977,079,674.20 × 367,984,719,782.80
  4. Step 4: Simplify right side
    367,984,719,782.80x = 203,119,130,990,438,732,791,808
  5. Step 5: Solve for x
    x = 203,119,130,990,438,732,791,808/367,984,719,782.80
  6. Step 6: Final answer
    x = 551,977,079,674.20

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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.