Home / 395,748,261,360.38-546,102,629,016.70-222,099,863,666.43

Finding the Fourth Proportional to 395,748,261,360.38, 546,102,629,016.70 and 222,099,863,666.43

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Solution

The fourth proportional to 395,748,261,360.38, 546,102,629,016.70 and 222,099,863,666.43 is: 306,480,991,313.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,748,261,360.38 : 546,102,629,016.70 = 222,099,863,666.43 : x
  2. Step 2: Convert to fraction form
    395,748,261,360.38/546,102,629,016.70 = 222,099,863,666.43/x
  3. Step 3: Cross multiply
    395,748,261,360.38x = 546,102,629,016.70 × 222,099,863,666.43
  4. Step 4: Simplify right side
    395,748,261,360.38x = 121,289,319,452,488,060,895,232
  5. Step 5: Solve for x
    x = 121,289,319,452,488,060,895,232/395,748,261,360.38
  6. Step 6: Final answer
    x = 306,480,991,313.92

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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.