Home / 538,981,624.92-808,536,979.16-165,440,582.35

Finding the Fourth Proportional to 538,981,624.92, 808,536,979.16 and 165,440,582.35

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Solution

The fourth proportional to 538,981,624.92, 808,536,979.16 and 165,440,582.35 is: 248,180,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,981,624.92 : 808,536,979.16 = 165,440,582.35 : x
  2. Step 2: Convert to fraction form
    538,981,624.92/808,536,979.16 = 165,440,582.35/x
  3. Step 3: Cross multiply
    538,981,624.92x = 808,536,979.16 × 165,440,582.35
  4. Step 4: Simplify right side
    538,981,624.92x = 133,764,828,683,740,208
  5. Step 5: Solve for x
    x = 133,764,828,683,740,208/538,981,624.92
  6. Step 6: Final answer
    x = 248,180,684.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.