Home / 197,609,207,844.11-272,600,344,698.22-129,060,746,077.20

Finding the Fourth Proportional to 197,609,207,844.11, 272,600,344,698.22 and 129,060,746,077.20

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Solution

The fourth proportional to 197,609,207,844.11, 272,600,344,698.22 and 129,060,746,077.20 is: 178,038,281,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,609,207,844.11 : 272,600,344,698.22 = 129,060,746,077.20 : x
  2. Step 2: Convert to fraction form
    197,609,207,844.11/272,600,344,698.22 = 129,060,746,077.20/x
  3. Step 3: Cross multiply
    197,609,207,844.11x = 272,600,344,698.22 × 129,060,746,077.20
  4. Step 4: Simplify right side
    197,609,207,844.11x = 35,182,003,867,654,163,529,728
  5. Step 5: Solve for x
    x = 35,182,003,867,654,163,529,728/197,609,207,844.11
  6. Step 6: Final answer
    x = 178,038,281,978.28

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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.