Home / 1,340,061,216-2,010,092,558.40-612,539,744.64

Finding the Fourth Proportional to 1,340,061,216, 2,010,092,558.40 and 612,539,744.64

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Solution

The fourth proportional to 1,340,061,216, 2,010,092,558.40 and 612,539,744.64 is: 918,809,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,061,216 : 2,010,092,558.40 = 612,539,744.64 : x
  2. Step 2: Convert to fraction form
    1,340,061,216/2,010,092,558.40 = 612,539,744.64/x
  3. Step 3: Cross multiply
    1,340,061,216x = 2,010,092,558.40 × 612,539,744.64
  4. Step 4: Simplify right side
    1,340,061,216x = 1,231,261,582,425,100,288
  5. Step 5: Solve for x
    x = 1,231,261,582,425,100,288/1,340,061,216
  6. Step 6: Final answer
    x = 918,809,952.65

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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.