Home / 585,682,756.06-878,520,328.71-148,979,709.22

Finding the Fourth Proportional to 585,682,756.06, 878,520,328.71 and 148,979,709.22

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Solution

The fourth proportional to 585,682,756.06, 878,520,328.71 and 148,979,709.22 is: 223,468,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,682,756.06 : 878,520,328.71 = 148,979,709.22 : x
  2. Step 2: Convert to fraction form
    585,682,756.06/878,520,328.71 = 148,979,709.22/x
  3. Step 3: Cross multiply
    585,682,756.06x = 878,520,328.71 × 148,979,709.22
  4. Step 4: Simplify right side
    585,682,756.06x = 130,881,703,115,074,624
  5. Step 5: Solve for x
    x = 130,881,703,115,074,624/585,682,756.06
  6. Step 6: Final answer
    x = 223,468,595.86

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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.