Home / 693,506,404.70-1,040,100,421.94-413,466,558.64

Finding the Fourth Proportional to 693,506,404.70, 1,040,100,421.94 and 413,466,558.64

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Solution

The fourth proportional to 693,506,404.70, 1,040,100,421.94 and 413,466,558.64 is: 620,104,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,506,404.70 : 1,040,100,421.94 = 413,466,558.64 : x
  2. Step 2: Convert to fraction form
    693,506,404.70/1,040,100,421.94 = 413,466,558.64/x
  3. Step 3: Cross multiply
    693,506,404.70x = 1,040,100,421.94 × 413,466,558.64
  4. Step 4: Simplify right side
    693,506,404.70x = 430,046,742,099,543,744
  5. Step 5: Solve for x
    x = 430,046,742,099,543,744/693,506,404.70
  6. Step 6: Final answer
    x = 620,104,932.25

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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.