Home / 412,442,768.73-569,173,981.74-224,269,714.20

Finding the Fourth Proportional to 412,442,768.73, 569,173,981.74 and 224,269,714.20

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Solution

The fourth proportional to 412,442,768.73, 569,173,981.74 and 224,269,714.20 is: 309,493,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,442,768.73 : 569,173,981.74 = 224,269,714.20 : x
  2. Step 2: Convert to fraction form
    412,442,768.73/569,173,981.74 = 224,269,714.20/x
  3. Step 3: Cross multiply
    412,442,768.73x = 569,173,981.74 × 224,269,714.20
  4. Step 4: Simplify right side
    412,442,768.73x = 127,648,486,214,905,808
  5. Step 5: Solve for x
    x = 127,648,486,214,905,808/412,442,768.73
  6. Step 6: Final answer
    x = 309,493,815.61

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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.