Home / 356,635,722.55-535,081,011.20-216,860,558.54

Finding the Fourth Proportional to 356,635,722.55, 535,081,011.20 and 216,860,558.54

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Solution

The fourth proportional to 356,635,722.55, 535,081,011.20 and 216,860,558.54 is: 325,368,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,635,722.55 : 535,081,011.20 = 216,860,558.54 : x
  2. Step 2: Convert to fraction form
    356,635,722.55/535,081,011.20 = 216,860,558.54/x
  3. Step 3: Cross multiply
    356,635,722.55x = 535,081,011.20 × 216,860,558.54
  4. Step 4: Simplify right side
    356,635,722.55x = 116,037,966,951,895,680
  5. Step 5: Solve for x
    x = 116,037,966,951,895,680/356,635,722.55
  6. Step 6: Final answer
    x = 325,368,322.96

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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.