Home / 472,392,548.40-708,588,822.60-453,260,672.40

Finding the Fourth Proportional to 472,392,548.40, 708,588,822.60 and 453,260,672.40

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Solution

The fourth proportional to 472,392,548.40, 708,588,822.60 and 453,260,672.40 is: 679,891,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,548.40 : 708,588,822.60 = 453,260,672.40 : x
  2. Step 2: Convert to fraction form
    472,392,548.40/708,588,822.60 = 453,260,672.40/x
  3. Step 3: Cross multiply
    472,392,548.40x = 708,588,822.60 × 453,260,672.40
  4. Step 4: Simplify right side
    472,392,548.40x = 321,175,446,186,800,320
  5. Step 5: Solve for x
    x = 321,175,446,186,800,320/472,392,548.40
  6. Step 6: Final answer
    x = 679,891,008.60

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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.