Home / 191,186,630,733.55-263,956,642,320.11-121,701,492,028.74

Finding the Fourth Proportional to 191,186,630,733.55, 263,956,642,320.11 and 121,701,492,028.74

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Solution

The fourth proportional to 191,186,630,733.55, 263,956,642,320.11 and 121,701,492,028.74 is: 168,023,867,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,186,630,733.55 : 263,956,642,320.11 = 121,701,492,028.74 : x
  2. Step 2: Convert to fraction form
    191,186,630,733.55/263,956,642,320.11 = 121,701,492,028.74/x
  3. Step 3: Cross multiply
    191,186,630,733.55x = 263,956,642,320.11 × 121,701,492,028.74
  4. Step 4: Simplify right side
    191,186,630,733.55x = 32,123,917,201,253,840,453,632
  5. Step 5: Solve for x
    x = 32,123,917,201,253,840,453,632/191,186,630,733.55
  6. Step 6: Final answer
    x = 168,023,867,976.54

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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.