Home / 290,016,223,663.58-400,204,355,667.72-159,797,791,095.95

Finding the Fourth Proportional to 290,016,223,663.58, 400,204,355,667.72 and 159,797,791,095.95

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Solution

The fourth proportional to 290,016,223,663.58, 400,204,355,667.72 and 159,797,791,095.95 is: 220,511,015,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,016,223,663.58 : 400,204,355,667.72 = 159,797,791,095.95 : x
  2. Step 2: Convert to fraction form
    290,016,223,663.58/400,204,355,667.72 = 159,797,791,095.95/x
  3. Step 3: Cross multiply
    290,016,223,663.58x = 400,204,355,667.72 × 159,797,791,095.95
  4. Step 4: Simplify right side
    290,016,223,663.58x = 63,951,772,022,679,592,239,104
  5. Step 5: Solve for x
    x = 63,951,772,022,679,592,239,104/290,016,223,663.58
  6. Step 6: Final answer
    x = 220,511,015,607.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.