Home / 3,108,472,667.20-4,662,709,000.80-1,267,221,620.80

Finding the Fourth Proportional to 3,108,472,667.20, 4,662,709,000.80 and 1,267,221,620.80

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Solution

The fourth proportional to 3,108,472,667.20, 4,662,709,000.80 and 1,267,221,620.80 is: 1,900,832,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,472,667.20 : 4,662,709,000.80 = 1,267,221,620.80 : x
  2. Step 2: Convert to fraction form
    3,108,472,667.20/4,662,709,000.80 = 1,267,221,620.80/x
  3. Step 3: Cross multiply
    3,108,472,667.20x = 4,662,709,000.80 × 1,267,221,620.80
  4. Step 4: Simplify right side
    3,108,472,667.20x = 5,908,685,657,312,524,288
  5. Step 5: Solve for x
    x = 5,908,685,657,312,524,288/3,108,472,667.20
  6. Step 6: Final answer
    x = 1,900,832,431.20

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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.