Home / 522,030,048.49-720,420,408.15-299,054,824.35

Finding the Fourth Proportional to 522,030,048.49, 720,420,408.15 and 299,054,824.35

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Solution

The fourth proportional to 522,030,048.49, 720,420,408.15 and 299,054,824.35 is: 412,706,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,030,048.49 : 720,420,408.15 = 299,054,824.35 : x
  2. Step 2: Convert to fraction form
    522,030,048.49/720,420,408.15 = 299,054,824.35/x
  3. Step 3: Cross multiply
    522,030,048.49x = 720,420,408.15 × 299,054,824.35
  4. Step 4: Simplify right side
    522,030,048.49x = 215,445,198,617,453,568
  5. Step 5: Solve for x
    x = 215,445,198,617,453,568/522,030,048.49
  6. Step 6: Final answer
    x = 412,706,508.45

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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.