Home / 220,901,134,119.74-304,851,086,738.49-128,194,810,962.83

Finding the Fourth Proportional to 220,901,134,119.74, 304,851,086,738.49 and 128,194,810,962.83

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Solution

The fourth proportional to 220,901,134,119.74, 304,851,086,738.49 and 128,194,810,962.83 is: 176,913,204,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,901,134,119.74 : 304,851,086,738.49 = 128,194,810,962.83 : x
  2. Step 2: Convert to fraction form
    220,901,134,119.74/304,851,086,738.49 = 128,194,810,962.83/x
  3. Step 3: Cross multiply
    220,901,134,119.74x = 304,851,086,738.49 × 128,194,810,962.83
  4. Step 4: Simplify right side
    220,901,134,119.74x = 39,080,327,436,254,018,797,568
  5. Step 5: Solve for x
    x = 39,080,327,436,254,018,797,568/220,901,134,119.74
  6. Step 6: Final answer
    x = 176,913,204,144.40

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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.