Home / 612,362,003.60-918,543,005.40-203,418,154.10

Finding the Fourth Proportional to 612,362,003.60, 918,543,005.40 and 203,418,154.10

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Solution

The fourth proportional to 612,362,003.60, 918,543,005.40 and 203,418,154.10 is: 305,127,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,362,003.60 : 918,543,005.40 = 203,418,154.10 : x
  2. Step 2: Convert to fraction form
    612,362,003.60/918,543,005.40 = 203,418,154.10/x
  3. Step 3: Cross multiply
    612,362,003.60x = 918,543,005.40 × 203,418,154.10
  4. Step 4: Simplify right side
    612,362,003.60x = 186,848,322,619,934,336
  5. Step 5: Solve for x
    x = 186,848,322,619,934,336/612,362,003.60
  6. Step 6: Final answer
    x = 305,127,231.15

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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.