Home / 467,423,148-645,062,937.12-258,575,689.92

Finding the Fourth Proportional to 467,423,148, 645,062,937.12 and 258,575,689.92

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Solution

The fourth proportional to 467,423,148, 645,062,937.12 and 258,575,689.92 is: 356,844,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,423,148 : 645,062,937.12 = 258,575,689.92 : x
  2. Step 2: Convert to fraction form
    467,423,148/645,062,937.12 = 258,575,689.92/x
  3. Step 3: Cross multiply
    467,423,148x = 645,062,937.12 × 258,575,689.92
  4. Step 4: Simplify right side
    467,423,148x = 166,797,594,007,625,568
  5. Step 5: Solve for x
    x = 166,797,594,007,625,568/467,423,148
  6. Step 6: Final answer
    x = 356,844,958.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.