Home / 1,114,725,453.42-1,672,050,310.34-285,687,236.51

Finding the Fourth Proportional to 1,114,725,453.42, 1,672,050,310.34 and 285,687,236.51

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Solution

The fourth proportional to 1,114,725,453.42, 1,672,050,310.34 and 285,687,236.51 is: 428,521,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,725,453.42 : 1,672,050,310.34 = 285,687,236.51 : x
  2. Step 2: Convert to fraction form
    1,114,725,453.42/1,672,050,310.34 = 285,687,236.51/x
  3. Step 3: Cross multiply
    1,114,725,453.42x = 1,672,050,310.34 × 285,687,236.51
  4. Step 4: Simplify right side
    1,114,725,453.42x = 477,683,432,459,076,416
  5. Step 5: Solve for x
    x = 477,683,432,459,076,416/1,114,725,453.42
  6. Step 6: Final answer
    x = 428,521,149.31

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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.