Home / 550,530,885.78-825,873,733.60-176,913,513.67

Finding the Fourth Proportional to 550,530,885.78, 825,873,733.60 and 176,913,513.67

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Solution

The fourth proportional to 550,530,885.78, 825,873,733.60 and 176,913,513.67 is: 265,395,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,530,885.78 : 825,873,733.60 = 176,913,513.67 : x
  2. Step 2: Convert to fraction form
    550,530,885.78/825,873,733.60 = 176,913,513.67/x
  3. Step 3: Cross multiply
    550,530,885.78x = 825,873,733.60 × 176,913,513.67
  4. Step 4: Simplify right side
    550,530,885.78x = 146,108,224,058,937,536
  5. Step 5: Solve for x
    x = 146,108,224,058,937,536/550,530,885.78
  6. Step 6: Final answer
    x = 265,395,144.64

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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.