Home / 379,979,400.48-524,367,564.83-212,717,035.41

Finding the Fourth Proportional to 379,979,400.48, 524,367,564.83 and 212,717,035.41

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Solution

The fourth proportional to 379,979,400.48, 524,367,564.83 and 212,717,035.41 is: 293,547,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,979,400.48 : 524,367,564.83 = 212,717,035.41 : x
  2. Step 2: Convert to fraction form
    379,979,400.48/524,367,564.83 = 212,717,035.41/x
  3. Step 3: Cross multiply
    379,979,400.48x = 524,367,564.83 × 212,717,035.41
  4. Step 4: Simplify right side
    379,979,400.48x = 111,541,913,854,734,992
  5. Step 5: Solve for x
    x = 111,541,913,854,734,992/379,979,400.48
  6. Step 6: Final answer
    x = 293,547,265.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.