Home / 5,152,990,450.21-7,111,431,272.73-3,880,586,548.33

Finding the Fourth Proportional to 5,152,990,450.21, 7,111,431,272.73 and 3,880,586,548.33

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Solution

The fourth proportional to 5,152,990,450.21, 7,111,431,272.73 and 3,880,586,548.33 is: 5,355,438,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152,990,450.21 : 7,111,431,272.73 = 3,880,586,548.33 : x
  2. Step 2: Convert to fraction form
    5,152,990,450.21/7,111,431,272.73 = 3,880,586,548.33/x
  3. Step 3: Cross multiply
    5,152,990,450.21x = 7,111,431,272.73 × 3,880,586,548.33
  4. Step 4: Simplify right side
    5,152,990,450.21x = 27,596,524,536,329,326,592
  5. Step 5: Solve for x
    x = 27,596,524,536,329,326,592/5,152,990,450.21
  6. Step 6: Final answer
    x = 5,355,438,711.36

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Double scale
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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.