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Finding the Fourth Proportional to 5,427,487,851.80, 8,141,231,777.70 and 5,427,487,851.80

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Solution

The fourth proportional to 5,427,487,851.80, 8,141,231,777.70 and 5,427,487,851.80 is: 8,141,231,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,487,851.80 : 8,141,231,777.70 = 5,427,487,851.80 : x
  2. Step 2: Convert to fraction form
    5,427,487,851.80/8,141,231,777.70 = 5,427,487,851.80/x
  3. Step 3: Cross multiply
    5,427,487,851.80x = 8,141,231,777.70 × 5,427,487,851.80
  4. Step 4: Simplify right side
    5,427,487,851.80x = 44,186,436,572,154,871,808
  5. Step 5: Solve for x
    x = 44,186,436,572,154,871,808/5,427,487,851.80
  6. Step 6: Final answer
    x = 8,141,231,777.70

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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.