Home / 358,790,613.80-538,185,920.70-177,392,085.80

Finding the Fourth Proportional to 358,790,613.80, 538,185,920.70 and 177,392,085.80

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Solution

The fourth proportional to 358,790,613.80, 538,185,920.70 and 177,392,085.80 is: 266,088,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,790,613.80 : 538,185,920.70 = 177,392,085.80 : x
  2. Step 2: Convert to fraction form
    358,790,613.80/538,185,920.70 = 177,392,085.80/x
  3. Step 3: Cross multiply
    358,790,613.80x = 538,185,920.70 × 177,392,085.80
  4. Step 4: Simplify right side
    358,790,613.80x = 95,469,923,021,166,416
  5. Step 5: Solve for x
    x = 95,469,923,021,166,416/358,790,613.80
  6. Step 6: Final answer
    x = 266,088,128.70

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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.