Home / 319,830,528.19-441,325,555.65-187,623,286.32

Finding the Fourth Proportional to 319,830,528.19, 441,325,555.65 and 187,623,286.32

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Solution

The fourth proportional to 319,830,528.19, 441,325,555.65 and 187,623,286.32 is: 258,896,333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,830,528.19 : 441,325,555.65 = 187,623,286.32 : x
  2. Step 2: Convert to fraction form
    319,830,528.19/441,325,555.65 = 187,623,286.32/x
  3. Step 3: Cross multiply
    319,830,528.19x = 441,325,555.65 × 187,623,286.32
  4. Step 4: Simplify right side
    319,830,528.19x = 82,802,951,087,227,760
  5. Step 5: Solve for x
    x = 82,802,951,087,227,760/319,830,528.19
  6. Step 6: Final answer
    x = 258,896,333.49

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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.