Home / 3,572,380,561.23-4,929,889,227.71-1,986,438,467.61

Finding the Fourth Proportional to 3,572,380,561.23, 4,929,889,227.71 and 1,986,438,467.61

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Solution

The fourth proportional to 3,572,380,561.23, 4,929,889,227.71 and 1,986,438,467.61 is: 2,741,287,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,380,561.23 : 4,929,889,227.71 = 1,986,438,467.61 : x
  2. Step 2: Convert to fraction form
    3,572,380,561.23/4,929,889,227.71 = 1,986,438,467.61/x
  3. Step 3: Cross multiply
    3,572,380,561.23x = 4,929,889,227.71 × 1,986,438,467.61
  4. Step 4: Simplify right side
    3,572,380,561.23x = 9,792,921,602,969,366,528
  5. Step 5: Solve for x
    x = 9,792,921,602,969,366,528/3,572,380,561.23
  6. Step 6: Final answer
    x = 2,741,287,339.11

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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.