Home / 262,105,890.30-393,725,705.85-185,578,386.30

Finding the Fourth Proportional to 262,105,890.30, 393,725,705.85 and 185,578,386.30

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Solution

The fourth proportional to 262,105,890.30, 393,725,705.85 and 185,578,386.30 is: 278,768,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,105,890.30 : 393,725,705.85 = 185,578,386.30 : x
  2. Step 2: Convert to fraction form
    262,105,890.30/393,725,705.85 = 185,578,386.30/x
  3. Step 3: Cross multiply
    262,105,890.30x = 393,725,705.85 × 185,578,386.30
  4. Step 4: Simplify right side
    262,105,890.30x = 73,066,981,136,471,472
  5. Step 5: Solve for x
    x = 73,066,981,136,471,472/262,105,890.30
  6. Step 6: Final answer
    x = 278,768,939.73

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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.