Home / 1,259,747,068.80-1,889,620,603.20-741,645,667.20

Finding the Fourth Proportional to 1,259,747,068.80, 1,889,620,603.20 and 741,645,667.20

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Solution

The fourth proportional to 1,259,747,068.80, 1,889,620,603.20 and 741,645,667.20 is: 1,112,468,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,747,068.80 : 1,889,620,603.20 = 741,645,667.20 : x
  2. Step 2: Convert to fraction form
    1,259,747,068.80/1,889,620,603.20 = 741,645,667.20/x
  3. Step 3: Cross multiply
    1,259,747,068.80x = 1,889,620,603.20 × 741,645,667.20
  4. Step 4: Simplify right side
    1,259,747,068.80x = 1,401,428,933,015,130,624
  5. Step 5: Solve for x
    x = 1,401,428,933,015,130,624/1,259,747,068.80
  6. Step 6: Final answer
    x = 1,112,468,500.80

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1.5x scale

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.