Home / 342,248,901.48-472,363,855.74-203,096,390.04

Finding the Fourth Proportional to 342,248,901.48, 472,363,855.74 and 203,096,390.04

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Solution

The fourth proportional to 342,248,901.48, 472,363,855.74 and 203,096,390.04 is: 280,308,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,248,901.48 : 472,363,855.74 = 203,096,390.04 : x
  2. Step 2: Convert to fraction form
    342,248,901.48/472,363,855.74 = 203,096,390.04/x
  3. Step 3: Cross multiply
    342,248,901.48x = 472,363,855.74 × 203,096,390.04
  4. Step 4: Simplify right side
    342,248,901.48x = 95,935,393,886,169,328
  5. Step 5: Solve for x
    x = 95,935,393,886,169,328/342,248,901.48
  6. Step 6: Final answer
    x = 280,308,843.86

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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.