Home / 851,818,965.30-1,277,224,563.15-443,672,277.30

Finding the Fourth Proportional to 851,818,965.30, 1,277,224,563.15 and 443,672,277.30

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Solution

The fourth proportional to 851,818,965.30, 1,277,224,563.15 and 443,672,277.30 is: 665,245,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,818,965.30 : 1,277,224,563.15 = 443,672,277.30 : x
  2. Step 2: Convert to fraction form
    851,818,965.30/1,277,224,563.15 = 443,672,277.30/x
  3. Step 3: Cross multiply
    851,818,965.30x = 1,277,224,563.15 × 443,672,277.30
  4. Step 4: Simplify right side
    851,818,965.30x = 566,669,130,556,258,240
  5. Step 5: Solve for x
    x = 566,669,130,556,258,240/851,818,965.30
  6. Step 6: Final answer
    x = 665,245,966.15

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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.