Home / 191,186,630,732.71-263,956,642,318.92-121,701,492,027.90

Finding the Fourth Proportional to 191,186,630,732.71, 263,956,642,318.92 and 121,701,492,027.90

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Solution

The fourth proportional to 191,186,630,732.71, 263,956,642,318.92 and 121,701,492,027.90 is: 168,023,867,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,186,630,732.71 : 263,956,642,318.92 = 121,701,492,027.90 : x
  2. Step 2: Convert to fraction form
    191,186,630,732.71/263,956,642,318.92 = 121,701,492,027.90/x
  3. Step 3: Cross multiply
    191,186,630,732.71x = 263,956,642,318.92 × 121,701,492,027.90
  4. Step 4: Simplify right side
    191,186,630,732.71x = 32,123,917,200,887,296,032,768
  5. Step 5: Solve for x
    x = 32,123,917,200,887,296,032,768/191,186,630,732.71
  6. Step 6: Final answer
    x = 168,023,867,975.36

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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.