Home / 399,181,867.80-598,772,801.70-194,841,029.40

Finding the Fourth Proportional to 399,181,867.80, 598,772,801.70 and 194,841,029.40

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Solution

The fourth proportional to 399,181,867.80, 598,772,801.70 and 194,841,029.40 is: 292,261,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,181,867.80 : 598,772,801.70 = 194,841,029.40 : x
  2. Step 2: Convert to fraction form
    399,181,867.80/598,772,801.70 = 194,841,029.40/x
  3. Step 3: Cross multiply
    399,181,867.80x = 598,772,801.70 × 194,841,029.40
  4. Step 4: Simplify right side
    399,181,867.80x = 116,665,509,059,950,080
  5. Step 5: Solve for x
    x = 116,665,509,059,950,080/399,181,867.80
  6. Step 6: Final answer
    x = 292,261,544.10

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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.