Home / 1,479,433,785.03-2,219,468,711.09-430,190,220.51

Finding the Fourth Proportional to 1,479,433,785.03, 2,219,468,711.09 and 430,190,220.51

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Solution

The fourth proportional to 1,479,433,785.03, 2,219,468,711.09 and 430,190,220.51 is: 645,377,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,433,785.03 : 2,219,468,711.09 = 430,190,220.51 : x
  2. Step 2: Convert to fraction form
    1,479,433,785.03/2,219,468,711.09 = 430,190,220.51/x
  3. Step 3: Cross multiply
    1,479,433,785.03x = 2,219,468,711.09 × 430,190,220.51
  4. Step 4: Simplify right side
    1,479,433,785.03x = 954,793,734,236,701,568
  5. Step 5: Solve for x
    x = 954,793,734,236,701,568/1,479,433,785.03
  6. Step 6: Final answer
    x = 645,377,808.66

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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.