Home / 1,340,260,801.70-2,010,580,159.35-420,041,185.70

Finding the Fourth Proportional to 1,340,260,801.70, 2,010,580,159.35 and 420,041,185.70

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Solution

The fourth proportional to 1,340,260,801.70, 2,010,580,159.35 and 420,041,185.70 is: 630,120,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,260,801.70 : 2,010,580,159.35 = 420,041,185.70 : x
  2. Step 2: Convert to fraction form
    1,340,260,801.70/2,010,580,159.35 = 420,041,185.70/x
  3. Step 3: Cross multiply
    1,340,260,801.70x = 2,010,580,159.35 × 420,041,185.70
  4. Step 4: Simplify right side
    1,340,260,801.70x = 844,526,474,078,268,928
  5. Step 5: Solve for x
    x = 844,526,474,078,268,928/1,340,260,801.70
  6. Step 6: Final answer
    x = 630,120,998.10

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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.