Home / 395,757,896,869.29-546,102,197,729.82-222,103,206,688.89

Finding the Fourth Proportional to 395,757,896,869.29, 546,102,197,729.82 and 222,103,206,688.89

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Solution

The fourth proportional to 395,757,896,869.29, 546,102,197,729.82 and 222,103,206,688.89 is: 306,477,900,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,757,896,869.29 : 546,102,197,729.82 = 222,103,206,688.89 : x
  2. Step 2: Convert to fraction form
    395,757,896,869.29/546,102,197,729.82 = 222,103,206,688.89/x
  3. Step 3: Cross multiply
    395,757,896,869.29x = 546,102,197,729.82 × 222,103,206,688.89
  4. Step 4: Simplify right side
    395,757,896,869.29x = 121,291,049,295,643,297,185,792
  5. Step 5: Solve for x
    x = 121,291,049,295,643,297,185,792/395,757,896,869.29
  6. Step 6: Final answer
    x = 306,477,900,390.96

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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.