Home / 627,848,005.80-941,772,008.70-191,145,221.40

Finding the Fourth Proportional to 627,848,005.80, 941,772,008.70 and 191,145,221.40

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Solution

The fourth proportional to 627,848,005.80, 941,772,008.70 and 191,145,221.40 is: 286,717,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,848,005.80 : 941,772,008.70 = 191,145,221.40 : x
  2. Step 2: Convert to fraction form
    627,848,005.80/941,772,008.70 = 191,145,221.40/x
  3. Step 3: Cross multiply
    627,848,005.80x = 941,772,008.70 × 191,145,221.40
  4. Step 4: Simplify right side
    627,848,005.80x = 180,015,219,111,284,256
  5. Step 5: Solve for x
    x = 180,015,219,111,284,256/627,848,005.80
  6. Step 6: Final answer
    x = 286,717,832.10

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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.