Home / 272,778,143,261.34-409,162,713,364.98-81,550,628,580.96

Finding the Fourth Proportional to 272,778,143,261.34, 409,162,713,364.98 and 81,550,628,580.96

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Solution

The fourth proportional to 272,778,143,261.34, 409,162,713,364.98 and 81,550,628,580.96 is: 122,324,597,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,778,143,261.34 : 409,162,713,364.98 = 81,550,628,580.96 : x
  2. Step 2: Convert to fraction form
    272,778,143,261.34/409,162,713,364.98 = 81,550,628,580.96/x
  3. Step 3: Cross multiply
    272,778,143,261.34x = 409,162,713,364.98 × 81,550,628,580.96
  4. Step 4: Simplify right side
    272,778,143,261.34x = 33,367,476,466,805,284,798,464
  5. Step 5: Solve for x
    x = 33,367,476,466,805,284,798,464/272,778,143,261.34
  6. Step 6: Final answer
    x = 122,324,597,080.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.