Home / 3,108,472,686.20-4,662,709,029.30-1,267,221,639.80

Finding the Fourth Proportional to 3,108,472,686.20, 4,662,709,029.30 and 1,267,221,639.80

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Solution

The fourth proportional to 3,108,472,686.20, 4,662,709,029.30 and 1,267,221,639.80 is: 1,900,832,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,472,686.20 : 4,662,709,029.30 = 1,267,221,639.80 : x
  2. Step 2: Convert to fraction form
    3,108,472,686.20/4,662,709,029.30 = 1,267,221,639.80/x
  3. Step 3: Cross multiply
    3,108,472,686.20x = 4,662,709,029.30 × 1,267,221,639.80
  4. Step 4: Simplify right side
    3,108,472,686.20x = 5,908,685,782,019,812,352
  5. Step 5: Solve for x
    x = 5,908,685,782,019,812,352/3,108,472,686.20
  6. Step 6: Final answer
    x = 1,900,832,459.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.