Home / 1,919,709,529.20-2,875,259,621.70-1,575,335,761.20

Finding the Fourth Proportional to 1,919,709,529.20, 2,875,259,621.70 and 1,575,335,761.20

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Solution

The fourth proportional to 1,919,709,529.20, 2,875,259,621.70 and 1,575,335,761.20 is: 2,359,471,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,709,529.20 : 2,875,259,621.70 = 1,575,335,761.20 : x
  2. Step 2: Convert to fraction form
    1,919,709,529.20/2,875,259,621.70 = 1,575,335,761.20/x
  3. Step 3: Cross multiply
    1,919,709,529.20x = 2,875,259,621.70 × 1,575,335,761.20
  4. Step 4: Simplify right side
    1,919,709,529.20x = 4,529,499,304,798,393,344
  5. Step 5: Solve for x
    x = 4,529,499,304,798,393,344/1,919,709,529.20
  6. Step 6: Final answer
    x = 2,359,471,178.27

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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.