Home / 537,995,933.48-742,435,734.12-311,978,726.12

Finding the Fourth Proportional to 537,995,933.48, 742,435,734.12 and 311,978,726.12

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Solution

The fourth proportional to 537,995,933.48, 742,435,734.12 and 311,978,726.12 is: 430,531,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,995,933.48 : 742,435,734.12 = 311,978,726.12 : x
  2. Step 2: Convert to fraction form
    537,995,933.48/742,435,734.12 = 311,978,726.12/x
  3. Step 3: Cross multiply
    537,995,933.48x = 742,435,734.12 × 311,978,726.12
  4. Step 4: Simplify right side
    537,995,933.48x = 231,624,154,556,724,640
  5. Step 5: Solve for x
    x = 231,624,154,556,724,640/537,995,933.48
  6. Step 6: Final answer
    x = 430,531,422.53

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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.