Home / 220,901,134,119.30-304,851,086,737.90-128,194,810,962.38

Finding the Fourth Proportional to 220,901,134,119.30, 304,851,086,737.90 and 128,194,810,962.38

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Solution

The fourth proportional to 220,901,134,119.30, 304,851,086,737.90 and 128,194,810,962.38 is: 176,913,204,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,901,134,119.30 : 304,851,086,737.90 = 128,194,810,962.38 : x
  2. Step 2: Convert to fraction form
    220,901,134,119.30/304,851,086,737.90 = 128,194,810,962.38/x
  3. Step 3: Cross multiply
    220,901,134,119.30x = 304,851,086,737.90 × 128,194,810,962.38
  4. Step 4: Simplify right side
    220,901,134,119.30x = 39,080,327,436,041,199,812,608
  5. Step 5: Solve for x
    x = 39,080,327,436,041,199,812,608/220,901,134,119.30
  6. Step 6: Final answer
    x = 176,913,204,143.78

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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.