Home / 466,221,216.67-643,377,108.67-257,371,987.39

Finding the Fourth Proportional to 466,221,216.67, 643,377,108.67 and 257,371,987.39

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Solution

The fourth proportional to 466,221,216.67, 643,377,108.67 and 257,371,987.39 is: 355,168,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,221,216.67 : 643,377,108.67 = 257,371,987.39 : x
  2. Step 2: Convert to fraction form
    466,221,216.67/643,377,108.67 = 257,371,987.39/x
  3. Step 3: Cross multiply
    466,221,216.67x = 643,377,108.67 × 257,371,987.39
  4. Step 4: Simplify right side
    466,221,216.67x = 165,587,245,099,629,888
  5. Step 5: Solve for x
    x = 165,587,245,099,629,888/466,221,216.67
  6. Step 6: Final answer
    x = 355,168,832.26

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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.