Home / 1,340,601,381.55-2,010,977,709.45-407,954,624.68

Finding the Fourth Proportional to 1,340,601,381.55, 2,010,977,709.45 and 407,954,624.68

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Solution

The fourth proportional to 1,340,601,381.55, 2,010,977,709.45 and 407,954,624.68 is: 611,954,953.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,601,381.55 : 2,010,977,709.45 = 407,954,624.68 : x
  2. Step 2: Convert to fraction form
    1,340,601,381.55/2,010,977,709.45 = 407,954,624.68/x
  3. Step 3: Cross multiply
    1,340,601,381.55x = 2,010,977,709.45 × 407,954,624.68
  4. Step 4: Simplify right side
    1,340,601,381.55x = 820,387,656,698,520,832
  5. Step 5: Solve for x
    x = 820,387,656,698,520,832/1,340,601,381.55
  6. Step 6: Final answer
    x = 611,954,953.94

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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.