Home / 1,469,664,007.80-2,204,496,011.70-434,432,686.20

Finding the Fourth Proportional to 1,469,664,007.80, 2,204,496,011.70 and 434,432,686.20

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Solution

The fourth proportional to 1,469,664,007.80, 2,204,496,011.70 and 434,432,686.20 is: 651,649,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,664,007.80 : 2,204,496,011.70 = 434,432,686.20 : x
  2. Step 2: Convert to fraction form
    1,469,664,007.80/2,204,496,011.70 = 434,432,686.20/x
  3. Step 3: Cross multiply
    1,469,664,007.80x = 2,204,496,011.70 × 434,432,686.20
  4. Step 4: Simplify right side
    1,469,664,007.80x = 957,705,124,080,017,536
  5. Step 5: Solve for x
    x = 957,705,124,080,017,536/1,469,664,007.80
  6. Step 6: Final answer
    x = 651,649,029.30

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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.