Home / 3,108,472,687.70-4,662,709,031.55-1,267,221,641.30

Finding the Fourth Proportional to 3,108,472,687.70, 4,662,709,031.55 and 1,267,221,641.30

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Solution

The fourth proportional to 3,108,472,687.70, 4,662,709,031.55 and 1,267,221,641.30 is: 1,900,832,461.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,472,687.70 : 4,662,709,031.55 = 1,267,221,641.30 : x
  2. Step 2: Convert to fraction form
    3,108,472,687.70/4,662,709,031.55 = 1,267,221,641.30/x
  3. Step 3: Cross multiply
    3,108,472,687.70x = 4,662,709,031.55 × 1,267,221,641.30
  4. Step 4: Simplify right side
    3,108,472,687.70x = 5,908,685,791,865,124,864
  5. Step 5: Solve for x
    x = 5,908,685,791,865,124,864/3,108,472,687.70
  6. Step 6: Final answer
    x = 1,900,832,461.95

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Double scale
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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.