Home / 513,304,318.07-708,360,147.23-278,354,916.27

Finding the Fourth Proportional to 513,304,318.07, 708,360,147.23 and 278,354,916.27

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Solution

The fourth proportional to 513,304,318.07, 708,360,147.23 and 278,354,916.27 is: 384,129,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,304,318.07 : 708,360,147.23 = 278,354,916.27 : x
  2. Step 2: Convert to fraction form
    513,304,318.07/708,360,147.23 = 278,354,916.27/x
  3. Step 3: Cross multiply
    513,304,318.07x = 708,360,147.23 × 278,354,916.27
  4. Step 4: Simplify right side
    513,304,318.07x = 197,175,529,469,883,104
  5. Step 5: Solve for x
    x = 197,175,529,469,883,104/513,304,318.07
  6. Step 6: Final answer
    x = 384,129,886.56

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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.