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Finding the Fourth Proportional to 5,678,545,499.40, 8,517,818,249.10 and 5,678,545,499.40

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Solution

The fourth proportional to 5,678,545,499.40, 8,517,818,249.10 and 5,678,545,499.40 is: 8,517,818,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,545,499.40 : 8,517,818,249.10 = 5,678,545,499.40 : x
  2. Step 2: Convert to fraction form
    5,678,545,499.40/8,517,818,249.10 = 5,678,545,499.40/x
  3. Step 3: Cross multiply
    5,678,545,499.40x = 8,517,818,249.10 × 5,678,545,499.40
  4. Step 4: Simplify right side
    5,678,545,499.40x = 48,368,818,483,133,988,864
  5. Step 5: Solve for x
    x = 48,368,818,483,133,988,864/5,678,545,499.40
  6. Step 6: Final answer
    x = 8,517,818,249.10

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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.