Home / 360,938,013.53-498,080,109.76-204,337,605.15

Finding the Fourth Proportional to 360,938,013.53, 498,080,109.76 and 204,337,605.15

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Solution

The fourth proportional to 360,938,013.53, 498,080,109.76 and 204,337,605.15 is: 281,977,771.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,938,013.53 : 498,080,109.76 = 204,337,605.15 : x
  2. Step 2: Convert to fraction form
    360,938,013.53/498,080,109.76 = 204,337,605.15/x
  3. Step 3: Cross multiply
    360,938,013.53x = 498,080,109.76 × 204,337,605.15
  4. Step 4: Simplify right side
    360,938,013.53x = 101,776,496,800,696,704
  5. Step 5: Solve for x
    x = 101,776,496,800,696,704/360,938,013.53
  6. Step 6: Final answer
    x = 281,977,771.77

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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.