Home / 358,749,002.10-538,123,503.15-313,399,370.10

Finding the Fourth Proportional to 358,749,002.10, 538,123,503.15 and 313,399,370.10

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Solution

The fourth proportional to 358,749,002.10, 538,123,503.15 and 313,399,370.10 is: 470,099,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,749,002.10 : 538,123,503.15 = 313,399,370.10 : x
  2. Step 2: Convert to fraction form
    358,749,002.10/538,123,503.15 = 313,399,370.10/x
  3. Step 3: Cross multiply
    358,749,002.10x = 538,123,503.15 × 313,399,370.10
  4. Step 4: Simplify right side
    358,749,002.10x = 168,647,566,923,215,360
  5. Step 5: Solve for x
    x = 168,647,566,923,215,360/358,749,002.10
  6. Step 6: Final answer
    x = 470,099,055.15

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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.