Home / 742,339,980.92-1,113,653,361.40-282,242,376.38

Finding the Fourth Proportional to 742,339,980.92, 1,113,653,361.40 and 282,242,376.38

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Solution

The fourth proportional to 742,339,980.92, 1,113,653,361.40 and 282,242,376.38 is: 423,418,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,339,980.92 : 1,113,653,361.40 = 282,242,376.38 : x
  2. Step 2: Convert to fraction form
    742,339,980.92/1,113,653,361.40 = 282,242,376.38/x
  3. Step 3: Cross multiply
    742,339,980.92x = 1,113,653,361.40 × 282,242,376.38
  4. Step 4: Simplify right side
    742,339,980.92x = 314,320,171,178,837,120
  5. Step 5: Solve for x
    x = 314,320,171,178,837,120/742,339,980.92
  6. Step 6: Final answer
    x = 423,418,082.36

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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.