Home / 412,304,377.64-618,456,681.50-121,171,484.52

Finding the Fourth Proportional to 412,304,377.64, 618,456,681.50 and 121,171,484.52

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Solution

The fourth proportional to 412,304,377.64, 618,456,681.50 and 121,171,484.52 is: 181,757,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,304,377.64 : 618,456,681.50 = 121,171,484.52 : x
  2. Step 2: Convert to fraction form
    412,304,377.64/618,456,681.50 = 121,171,484.52/x
  3. Step 3: Cross multiply
    412,304,377.64x = 618,456,681.50 × 121,171,484.52
  4. Step 4: Simplify right side
    412,304,377.64x = 74,939,314,208,667,824
  5. Step 5: Solve for x
    x = 74,939,314,208,667,824/412,304,377.64
  6. Step 6: Final answer
    x = 181,757,260.59

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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.