Home / 215,511,319,426.32-323,299,123,296.12-79,362,975,473.01

Finding the Fourth Proportional to 215,511,319,426.32, 323,299,123,296.12 and 79,362,975,473.01

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Solution

The fourth proportional to 215,511,319,426.32, 323,299,123,296.12 and 79,362,975,473.01 is: 119,056,300,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,511,319,426.32 : 323,299,123,296.12 = 79,362,975,473.01 : x
  2. Step 2: Convert to fraction form
    215,511,319,426.32/323,299,123,296.12 = 79,362,975,473.01/x
  3. Step 3: Cross multiply
    215,511,319,426.32x = 323,299,123,296.12 × 79,362,975,473.01
  4. Step 4: Simplify right side
    215,511,319,426.32x = 25,657,980,392,595,605,422,080
  5. Step 5: Solve for x
    x = 25,657,980,392,595,605,422,080/215,511,319,426.32
  6. Step 6: Final answer
    x = 119,056,300,434.22

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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.