Home / 487,180,520.76-672,308,391.69-264,161,797.32

Finding the Fourth Proportional to 487,180,520.76, 672,308,391.69 and 264,161,797.32

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Solution

The fourth proportional to 487,180,520.76, 672,308,391.69 and 264,161,797.32 is: 364,542,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,180,520.76 : 672,308,391.69 = 264,161,797.32 : x
  2. Step 2: Convert to fraction form
    487,180,520.76/672,308,391.69 = 264,161,797.32/x
  3. Step 3: Cross multiply
    487,180,520.76x = 672,308,391.69 × 264,161,797.32
  4. Step 4: Simplify right side
    487,180,520.76x = 177,598,193,102,148,960
  5. Step 5: Solve for x
    x = 177,598,193,102,148,960/487,180,520.76
  6. Step 6: Final answer
    x = 364,542,886.13

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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.