Home / 379,562,885.78-569,369,310.46-99,450,659.20

Finding the Fourth Proportional to 379,562,885.78, 569,369,310.46 and 99,450,659.20

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Solution

The fourth proportional to 379,562,885.78, 569,369,310.46 and 99,450,659.20 is: 149,182,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,562,885.78 : 569,369,310.46 = 99,450,659.20 : x
  2. Step 2: Convert to fraction form
    379,562,885.78/569,369,310.46 = 99,450,659.20/x
  3. Step 3: Cross multiply
    379,562,885.78x = 569,369,310.46 × 99,450,659.20
  4. Step 4: Simplify right side
    379,562,885.78x = 56,624,153,250,649,608
  5. Step 5: Solve for x
    x = 56,624,153,250,649,608/379,562,885.78
  6. Step 6: Final answer
    x = 149,182,534.36

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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.