Home / 448,047,226.80-670,727,147.40-266,200,801.20

Finding the Fourth Proportional to 448,047,226.80, 670,727,147.40 and 266,200,801.20

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Solution

The fourth proportional to 448,047,226.80, 670,727,147.40 and 266,200,801.20 is: 398,502,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,047,226.80 : 670,727,147.40 = 266,200,801.20 : x
  2. Step 2: Convert to fraction form
    448,047,226.80/670,727,147.40 = 266,200,801.20/x
  3. Step 3: Cross multiply
    448,047,226.80x = 670,727,147.40 × 266,200,801.20
  4. Step 4: Simplify right side
    448,047,226.80x = 178,548,104,024,470,496
  5. Step 5: Solve for x
    x = 178,548,104,024,470,496/448,047,226.80
  6. Step 6: Final answer
    x = 398,502,866.09

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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.