Home / 303,852,417.58-419,084,985.49-261,537,995.28

Finding the Fourth Proportional to 303,852,417.58, 419,084,985.49 and 261,537,995.28

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Solution

The fourth proportional to 303,852,417.58, 419,084,985.49 and 261,537,995.28 is: 360,723,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,852,417.58 : 419,084,985.49 = 261,537,995.28 : x
  2. Step 2: Convert to fraction form
    303,852,417.58/419,084,985.49 = 261,537,995.28/x
  3. Step 3: Cross multiply
    303,852,417.58x = 419,084,985.49 × 261,537,995.28
  4. Step 4: Simplify right side
    303,852,417.58x = 109,606,646,957,920,208
  5. Step 5: Solve for x
    x = 109,606,646,957,920,208/303,852,417.58
  6. Step 6: Final answer
    x = 360,723,300.58

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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.