Home / 493,203,511.31-680,455,034.84-284,355,100.67

Finding the Fourth Proportional to 493,203,511.31, 680,455,034.84 and 284,355,100.67

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Solution

The fourth proportional to 493,203,511.31, 680,455,034.84 and 284,355,100.67 is: 392,314,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,203,511.31 : 680,455,034.84 = 284,355,100.67 : x
  2. Step 2: Convert to fraction form
    493,203,511.31/680,455,034.84 = 284,355,100.67/x
  3. Step 3: Cross multiply
    493,203,511.31x = 680,455,034.84 × 284,355,100.67
  4. Step 4: Simplify right side
    493,203,511.31x = 193,490,859,930,645,184
  5. Step 5: Solve for x
    x = 193,490,859,930,645,184/493,203,511.31
  6. Step 6: Final answer
    x = 392,314,441.19

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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.