Home / 693,506,404.68-1,040,100,421.96-413,466,558.64

Finding the Fourth Proportional to 693,506,404.68, 1,040,100,421.96 and 413,466,558.64

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Solution

The fourth proportional to 693,506,404.68, 1,040,100,421.96 and 413,466,558.64 is: 620,104,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,506,404.68 : 1,040,100,421.96 = 413,466,558.64 : x
  2. Step 2: Convert to fraction form
    693,506,404.68/1,040,100,421.96 = 413,466,558.64/x
  3. Step 3: Cross multiply
    693,506,404.68x = 1,040,100,421.96 × 413,466,558.64
  4. Step 4: Simplify right side
    693,506,404.68x = 430,046,742,107,813,056
  5. Step 5: Solve for x
    x = 430,046,742,107,813,056/693,506,404.68
  6. Step 6: Final answer
    x = 620,104,932.28

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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.