Home / 218,201,760,251.58-301,074,757,170.90-121,843,020,503.10

Finding the Fourth Proportional to 218,201,760,251.58, 301,074,757,170.90 and 121,843,020,503.10

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Solution

The fourth proportional to 218,201,760,251.58, 301,074,757,170.90 and 121,843,020,503.10 is: 168,118,982,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,201,760,251.58 : 301,074,757,170.90 = 121,843,020,503.10 : x
  2. Step 2: Convert to fraction form
    218,201,760,251.58/301,074,757,170.90 = 121,843,020,503.10/x
  3. Step 3: Cross multiply
    218,201,760,251.58x = 301,074,757,170.90 × 121,843,020,503.10
  4. Step 4: Simplify right side
    218,201,760,251.58x = 36,683,857,810,939,829,026,816
  5. Step 5: Solve for x
    x = 36,683,857,810,939,829,026,816/218,201,760,251.58
  6. Step 6: Final answer
    x = 168,118,982,031.33

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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.