Home / 880,975,045.92-1,321,179,660.72-290,632,582.56

Finding the Fourth Proportional to 880,975,045.92, 1,321,179,660.72 and 290,632,582.56

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Solution

The fourth proportional to 880,975,045.92, 1,321,179,660.72 and 290,632,582.56 is: 435,855,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,975,045.92 : 1,321,179,660.72 = 290,632,582.56 : x
  2. Step 2: Convert to fraction form
    880,975,045.92/1,321,179,660.72 = 290,632,582.56/x
  3. Step 3: Cross multiply
    880,975,045.92x = 1,321,179,660.72 × 290,632,582.56
  4. Step 4: Simplify right side
    880,975,045.92x = 383,977,856,820,798,208
  5. Step 5: Solve for x
    x = 383,977,856,820,798,208/880,975,045.92
  6. Step 6: Final answer
    x = 435,855,542.79

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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.