Home / 493,156,889.88-680,298,485.58-304,925,014.77

Finding the Fourth Proportional to 493,156,889.88, 680,298,485.58 and 304,925,014.77

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Solution

The fourth proportional to 493,156,889.88, 680,298,485.58 and 304,925,014.77 is: 420,636,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,156,889.88 : 680,298,485.58 = 304,925,014.77 : x
  2. Step 2: Convert to fraction form
    493,156,889.88/680,298,485.58 = 304,925,014.77/x
  3. Step 3: Cross multiply
    493,156,889.88x = 680,298,485.58 × 304,925,014.77
  4. Step 4: Simplify right side
    493,156,889.88x = 207,440,025,763,490,144
  5. Step 5: Solve for x
    x = 207,440,025,763,490,144/493,156,889.88
  6. Step 6: Final answer
    x = 420,636,981.90

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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.