Home / 471,519,460.20-645,983,965.41-453,847,042.20

Finding the Fourth Proportional to 471,519,460.20, 645,983,965.41 and 453,847,042.20

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Solution

The fourth proportional to 471,519,460.20, 645,983,965.41 and 453,847,042.20 is: 621,772,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,519,460.20 : 645,983,965.41 = 453,847,042.20 : x
  2. Step 2: Convert to fraction form
    471,519,460.20/645,983,965.41 = 453,847,042.20/x
  3. Step 3: Cross multiply
    471,519,460.20x = 645,983,965.41 × 453,847,042.20
  4. Step 4: Simplify right side
    471,519,460.20x = 293,177,912,009,955,584
  5. Step 5: Solve for x
    x = 293,177,912,009,955,584/471,519,460.20
  6. Step 6: Final answer
    x = 621,772,666.36

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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.