Home / 384,289,279.92-576,347,477.40-176,828,688.72

Finding the Fourth Proportional to 384,289,279.92, 576,347,477.40 and 176,828,688.72

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Solution

The fourth proportional to 384,289,279.92, 576,347,477.40 and 176,828,688.72 is: 265,203,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,289,279.92 : 576,347,477.40 = 176,828,688.72 : x
  2. Step 2: Convert to fraction form
    384,289,279.92/576,347,477.40 = 176,828,688.72/x
  3. Step 3: Cross multiply
    384,289,279.92x = 576,347,477.40 × 176,828,688.72
  4. Step 4: Simplify right side
    384,289,279.92x = 101,914,768,675,721,824
  5. Step 5: Solve for x
    x = 101,914,768,675,721,824/384,289,279.92
  6. Step 6: Final answer
    x = 265,203,257.03

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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.