Home / 1,450,872,747.90-2,176,309,121.85-360,355,815.90

Finding the Fourth Proportional to 1,450,872,747.90, 2,176,309,121.85 and 360,355,815.90

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Solution

The fourth proportional to 1,450,872,747.90, 2,176,309,121.85 and 360,355,815.90 is: 540,533,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,872,747.90 : 2,176,309,121.85 = 360,355,815.90 : x
  2. Step 2: Convert to fraction form
    1,450,872,747.90/2,176,309,121.85 = 360,355,815.90/x
  3. Step 3: Cross multiply
    1,450,872,747.90x = 2,176,309,121.85 × 360,355,815.90
  4. Step 4: Simplify right side
    1,450,872,747.90x = 784,245,649,254,869,120
  5. Step 5: Solve for x
    x = 784,245,649,254,869,120/1,450,872,747.90
  6. Step 6: Final answer
    x = 540,533,723.85

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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.