Home / 297,010,058,813.76-409,873,925,378.88-161,680,266,609.60

Finding the Fourth Proportional to 297,010,058,813.76, 409,873,925,378.88 and 161,680,266,609.60

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Solution

The fourth proportional to 297,010,058,813.76, 409,873,925,378.88 and 161,680,266,609.60 is: 223,118,791,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,010,058,813.76 : 409,873,925,378.88 = 161,680,266,609.60 : x
  2. Step 2: Convert to fraction form
    297,010,058,813.76/409,873,925,378.88 = 161,680,266,609.60/x
  3. Step 3: Cross multiply
    297,010,058,813.76x = 409,873,925,378.88 × 161,680,266,609.60
  4. Step 4: Simplify right side
    297,010,058,813.76x = 66,268,525,531,580,619,292,672
  5. Step 5: Solve for x
    x = 66,268,525,531,580,619,292,672/297,010,058,813.76
  6. Step 6: Final answer
    x = 223,118,791,990.59

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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.