Home / 627,848,107.80-941,772,161.70-191,145,323.40

Finding the Fourth Proportional to 627,848,107.80, 941,772,161.70 and 191,145,323.40

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Solution

The fourth proportional to 627,848,107.80, 941,772,161.70 and 191,145,323.40 is: 286,717,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,848,107.80 : 941,772,161.70 = 191,145,323.40 : x
  2. Step 2: Convert to fraction form
    627,848,107.80/941,772,161.70 = 191,145,323.40/x
  3. Step 3: Cross multiply
    627,848,107.80x = 941,772,161.70 × 191,145,323.40
  4. Step 4: Simplify right side
    627,848,107.80x = 180,015,344,417,263,616
  5. Step 5: Solve for x
    x = 180,015,344,417,263,616/627,848,107.80
  6. Step 6: Final answer
    x = 286,717,985.10

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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.