Home / 742,082,731.14-1,113,123,457.17-189,385,115.09

Finding the Fourth Proportional to 742,082,731.14, 1,113,123,457.17 and 189,385,115.09

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Solution

The fourth proportional to 742,082,731.14, 1,113,123,457.17 and 189,385,115.09 is: 284,077,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,082,731.14 : 1,113,123,457.17 = 189,385,115.09 : x
  2. Step 2: Convert to fraction form
    742,082,731.14/1,113,123,457.17 = 189,385,115.09/x
  3. Step 3: Cross multiply
    742,082,731.14x = 1,113,123,457.17 × 189,385,115.09
  4. Step 4: Simplify right side
    742,082,731.14x = 210,809,014,039,953,536
  5. Step 5: Solve for x
    x = 210,809,014,039,953,536/742,082,731.14
  6. Step 6: Final answer
    x = 284,077,509.41

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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.