Home / 5,777,892,088.36-7,975,931,910.42-3,900,839,851.96

Finding the Fourth Proportional to 5,777,892,088.36, 7,975,931,910.42 and 3,900,839,851.96

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Solution

The fourth proportional to 5,777,892,088.36, 7,975,931,910.42 and 3,900,839,851.96 is: 5,384,806,877.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777,892,088.36 : 7,975,931,910.42 = 3,900,839,851.96 : x
  2. Step 2: Convert to fraction form
    5,777,892,088.36/7,975,931,910.42 = 3,900,839,851.96/x
  3. Step 3: Cross multiply
    5,777,892,088.36x = 7,975,931,910.42 × 3,900,839,851.96
  4. Step 4: Simplify right side
    5,777,892,088.36x = 31,112,833,052,685,795,328
  5. Step 5: Solve for x
    x = 31,112,833,052,685,795,328/5,777,892,088.36
  6. Step 6: Final answer
    x = 5,384,806,877.12

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1.5x scale

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.