Home / 343,852,605.60-515,778,908.40-171,665,721.60

Finding the Fourth Proportional to 343,852,605.60, 515,778,908.40 and 171,665,721.60

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Solution

The fourth proportional to 343,852,605.60, 515,778,908.40 and 171,665,721.60 is: 257,498,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,852,605.60 : 515,778,908.40 = 171,665,721.60 : x
  2. Step 2: Convert to fraction form
    343,852,605.60/515,778,908.40 = 171,665,721.60/x
  3. Step 3: Cross multiply
    343,852,605.60x = 515,778,908.40 × 171,665,721.60
  4. Step 4: Simplify right side
    343,852,605.60x = 88,541,558,496,546,288
  5. Step 5: Solve for x
    x = 88,541,558,496,546,288/343,852,605.60
  6. Step 6: Final answer
    x = 257,498,582.40

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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.