Home / 1,685,679,908.76-2,527,370,621.87-855,031,832.01

Finding the Fourth Proportional to 1,685,679,908.76, 2,527,370,621.87 and 855,031,832.01

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Solution

The fourth proportional to 1,685,679,908.76, 2,527,370,621.87 and 855,031,832.01 is: 1,281,964,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,679,908.76 : 2,527,370,621.87 = 855,031,832.01 : x
  2. Step 2: Convert to fraction form
    1,685,679,908.76/2,527,370,621.87 = 855,031,832.01/x
  3. Step 3: Cross multiply
    1,685,679,908.76x = 2,527,370,621.87 × 855,031,832.01
  4. Step 4: Simplify right side
    1,685,679,908.76x = 2,160,982,332,981,483,776
  5. Step 5: Solve for x
    x = 2,160,982,332,981,483,776/1,685,679,908.76
  6. Step 6: Final answer
    x = 1,281,964,815.36

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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.