Home / 587,938,502.70-881,907,754.05-479,099,385.90

Finding the Fourth Proportional to 587,938,502.70, 881,907,754.05 and 479,099,385.90

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Solution

The fourth proportional to 587,938,502.70, 881,907,754.05 and 479,099,385.90 is: 718,649,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,938,502.70 : 881,907,754.05 = 479,099,385.90 : x
  2. Step 2: Convert to fraction form
    587,938,502.70/881,907,754.05 = 479,099,385.90/x
  3. Step 3: Cross multiply
    587,938,502.70x = 881,907,754.05 × 479,099,385.90
  4. Step 4: Simplify right side
    587,938,502.70x = 422,521,463,385,803,200
  5. Step 5: Solve for x
    x = 422,521,463,385,803,200/587,938,502.70
  6. Step 6: Final answer
    x = 718,649,078.85

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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.