Home / 358,977,672.90-538,466,509.35-186,790,788.90

Finding the Fourth Proportional to 358,977,672.90, 538,466,509.35 and 186,790,788.90

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Solution

The fourth proportional to 358,977,672.90, 538,466,509.35 and 186,790,788.90 is: 280,186,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,977,672.90 : 538,466,509.35 = 186,790,788.90 : x
  2. Step 2: Convert to fraction form
    358,977,672.90/538,466,509.35 = 186,790,788.90/x
  3. Step 3: Cross multiply
    358,977,672.90x = 538,466,509.35 × 186,790,788.90
  4. Step 4: Simplify right side
    358,977,672.90x = 100,580,584,077,715,728
  5. Step 5: Solve for x
    x = 100,580,584,077,715,728/358,977,672.90
  6. Step 6: Final answer
    x = 280,186,183.35

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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.