Home / 1,867,855,762.11-2,801,788,961.89-539,991,898.76

Finding the Fourth Proportional to 1,867,855,762.11, 2,801,788,961.89 and 539,991,898.76

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Solution

The fourth proportional to 1,867,855,762.11, 2,801,788,961.89 and 539,991,898.76 is: 809,989,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,855,762.11 : 2,801,788,961.89 = 539,991,898.76 : x
  2. Step 2: Convert to fraction form
    1,867,855,762.11/2,801,788,961.89 = 539,991,898.76/x
  3. Step 3: Cross multiply
    1,867,855,762.11x = 2,801,788,961.89 × 539,991,898.76
  4. Step 4: Simplify right side
    1,867,855,762.11x = 1,512,943,341,455,790,336
  5. Step 5: Solve for x
    x = 1,512,943,341,455,790,336/1,867,855,762.11
  6. Step 6: Final answer
    x = 809,989,385.77

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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.