Home / 1,450,872,778.90-2,176,309,168.35-360,355,846.90

Finding the Fourth Proportional to 1,450,872,778.90, 2,176,309,168.35 and 360,355,846.90

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Solution

The fourth proportional to 1,450,872,778.90, 2,176,309,168.35 and 360,355,846.90 is: 540,533,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,872,778.90 : 2,176,309,168.35 = 360,355,846.90 : x
  2. Step 2: Convert to fraction form
    1,450,872,778.90/2,176,309,168.35 = 360,355,846.90/x
  3. Step 3: Cross multiply
    1,450,872,778.90x = 2,176,309,168.35 × 360,355,846.90
  4. Step 4: Simplify right side
    1,450,872,778.90x = 784,245,733,476,998,784
  5. Step 5: Solve for x
    x = 784,245,733,476,998,784/1,450,872,778.90
  6. Step 6: Final answer
    x = 540,533,770.35

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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.