Home / 471,518,850.36-645,983,130-453,846,434.04

Finding the Fourth Proportional to 471,518,850.36, 645,983,130 and 453,846,434.04

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Solution

The fourth proportional to 471,518,850.36, 645,983,130 and 453,846,434.04 is: 621,771,833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,518,850.36 : 645,983,130 = 453,846,434.04 : x
  2. Step 2: Convert to fraction form
    471,518,850.36/645,983,130 = 453,846,434.04/x
  3. Step 3: Cross multiply
    471,518,850.36x = 645,983,130 × 453,846,434.04
  4. Step 4: Simplify right side
    471,518,850.36x = 293,177,140,000,497,728
  5. Step 5: Solve for x
    x = 293,177,140,000,497,728/471,518,850.36
  6. Step 6: Final answer
    x = 621,771,833.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.