Home / 1,685,679,909.76-2,527,370,623.36-855,031,833.01

Finding the Fourth Proportional to 1,685,679,909.76, 2,527,370,623.36 and 855,031,833.01

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Solution

The fourth proportional to 1,685,679,909.76, 2,527,370,623.36 and 855,031,833.01 is: 1,281,964,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,679,909.76 : 2,527,370,623.36 = 855,031,833.01 : x
  2. Step 2: Convert to fraction form
    1,685,679,909.76/2,527,370,623.36 = 855,031,833.01/x
  3. Step 3: Cross multiply
    1,685,679,909.76x = 2,527,370,623.36 × 855,031,833.01
  4. Step 4: Simplify right side
    1,685,679,909.76x = 2,160,982,336,787,127,296
  5. Step 5: Solve for x
    x = 2,160,982,336,787,127,296/1,685,679,909.76
  6. Step 6: Final answer
    x = 1,281,964,816.85

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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.