Home / 472,392,655.20-708,588,982.80-455,173,966.80

Finding the Fourth Proportional to 472,392,655.20, 708,588,982.80 and 455,173,966.80

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Solution

The fourth proportional to 472,392,655.20, 708,588,982.80 and 455,173,966.80 is: 682,760,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,655.20 : 708,588,982.80 = 455,173,966.80 : x
  2. Step 2: Convert to fraction form
    472,392,655.20/708,588,982.80 = 455,173,966.80/x
  3. Step 3: Cross multiply
    472,392,655.20x = 708,588,982.80 × 455,173,966.80
  4. Step 4: Simplify right side
    472,392,655.20x = 322,531,258,131,852,928
  5. Step 5: Solve for x
    x = 322,531,258,131,852,928/472,392,655.20
  6. Step 6: Final answer
    x = 682,760,950.20

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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.