Home / 487,485,977.27-672,731,952.55-264,467,658.90

Finding the Fourth Proportional to 487,485,977.27, 672,731,952.55 and 264,467,658.90

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Solution

The fourth proportional to 487,485,977.27, 672,731,952.55 and 264,467,658.90 is: 364,966,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,485,977.27 : 672,731,952.55 = 264,467,658.90 : x
  2. Step 2: Convert to fraction form
    487,485,977.27/672,731,952.55 = 264,467,658.90/x
  3. Step 3: Cross multiply
    487,485,977.27x = 672,731,952.55 × 264,467,658.90
  4. Step 4: Simplify right side
    487,485,977.27x = 177,915,844,558,124,384
  5. Step 5: Solve for x
    x = 177,915,844,558,124,384/487,485,977.27
  6. Step 6: Final answer
    x = 364,966,076.67

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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.