Home / 1,340,260,824.70-2,010,580,193.85-420,041,208.70

Finding the Fourth Proportional to 1,340,260,824.70, 2,010,580,193.85 and 420,041,208.70

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Solution

The fourth proportional to 1,340,260,824.70, 2,010,580,193.85 and 420,041,208.70 is: 630,121,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,260,824.70 : 2,010,580,193.85 = 420,041,208.70 : x
  2. Step 2: Convert to fraction form
    1,340,260,824.70/2,010,580,193.85 = 420,041,208.70/x
  3. Step 3: Cross multiply
    1,340,260,824.70x = 2,010,580,193.85 × 420,041,208.70
  4. Step 4: Simplify right side
    1,340,260,824.70x = 844,526,534,813,034,240
  5. Step 5: Solve for x
    x = 844,526,534,813,034,240/1,340,260,824.70
  6. Step 6: Final answer
    x = 630,121,032.60

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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.