Home / 379,742,769.64-569,425,718.94-120,924,268.84

Finding the Fourth Proportional to 379,742,769.64, 569,425,718.94 and 120,924,268.84

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Solution

The fourth proportional to 379,742,769.64, 569,425,718.94 and 120,924,268.84 is: 181,326,398.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,742,769.64 : 569,425,718.94 = 120,924,268.84 : x
  2. Step 2: Convert to fraction form
    379,742,769.64/569,425,718.94 = 120,924,268.84/x
  3. Step 3: Cross multiply
    379,742,769.64x = 569,425,718.94 × 120,924,268.84
  4. Step 4: Simplify right side
    379,742,769.64x = 68,857,388,721,510,848
  5. Step 5: Solve for x
    x = 68,857,388,721,510,848/379,742,769.64
  6. Step 6: Final answer
    x = 181,326,398.36

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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.