Home / 746,532,890.40-1,119,967,297.20-439,667,047.20

Finding the Fourth Proportional to 746,532,890.40, 1,119,967,297.20 and 439,667,047.20

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Solution

The fourth proportional to 746,532,890.40, 1,119,967,297.20 and 439,667,047.20 is: 659,599,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,532,890.40 : 1,119,967,297.20 = 439,667,047.20 : x
  2. Step 2: Convert to fraction form
    746,532,890.40/1,119,967,297.20 = 439,667,047.20/x
  3. Step 3: Cross multiply
    746,532,890.40x = 1,119,967,297.20 × 439,667,047.20
  4. Step 4: Simplify right side
    746,532,890.40x = 492,412,714,520,488,832
  5. Step 5: Solve for x
    x = 492,412,714,520,488,832/746,532,890.40
  6. Step 6: Final answer
    x = 659,599,491.00

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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.