Home / 309,338,683.26-426,895,473.38-168,218,157.27

Finding the Fourth Proportional to 309,338,683.26, 426,895,473.38 and 168,218,157.27

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Solution

The fourth proportional to 309,338,683.26, 426,895,473.38 and 168,218,157.27 is: 232,145,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,338,683.26 : 426,895,473.38 = 168,218,157.27 : x
  2. Step 2: Convert to fraction form
    309,338,683.26/426,895,473.38 = 168,218,157.27/x
  3. Step 3: Cross multiply
    309,338,683.26x = 426,895,473.38 × 168,218,157.27
  4. Step 4: Simplify right side
    309,338,683.26x = 71,811,569,878,046,856
  5. Step 5: Solve for x
    x = 71,811,569,878,046,856/309,338,683.26
  6. Step 6: Final answer
    x = 232,145,456.63

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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.