Home / 484,675,920.20-726,995,217.90-161,559,792.20

Finding the Fourth Proportional to 484,675,920.20, 726,995,217.90 and 161,559,792.20

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Solution

The fourth proportional to 484,675,920.20, 726,995,217.90 and 161,559,792.20 is: 242,333,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,675,920.20 : 726,995,217.90 = 161,559,792.20 : x
  2. Step 2: Convert to fraction form
    484,675,920.20/726,995,217.90 = 161,559,792.20/x
  3. Step 3: Cross multiply
    484,675,920.20x = 726,995,217.90 × 161,559,792.20
  4. Step 4: Simplify right side
    484,675,920.20x = 117,453,196,334,317,712
  5. Step 5: Solve for x
    x = 117,453,196,334,317,712/484,675,920.20
  6. Step 6: Final answer
    x = 242,333,467.46

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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.