Home / 627,848,003.80-941,772,005.70-191,145,219.40

Finding the Fourth Proportional to 627,848,003.80, 941,772,005.70 and 191,145,219.40

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Solution

The fourth proportional to 627,848,003.80, 941,772,005.70 and 191,145,219.40 is: 286,717,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,848,003.80 : 941,772,005.70 = 191,145,219.40 : x
  2. Step 2: Convert to fraction form
    627,848,003.80/941,772,005.70 = 191,145,219.40/x
  3. Step 3: Cross multiply
    627,848,003.80x = 941,772,005.70 × 191,145,219.40
  4. Step 4: Simplify right side
    627,848,003.80x = 180,015,216,654,304,576
  5. Step 5: Solve for x
    x = 180,015,216,654,304,576/627,848,003.80
  6. Step 6: Final answer
    x = 286,717,829.10

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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.