Home / 851,818,963.80-1,277,224,560.90-443,672,275.80

Finding the Fourth Proportional to 851,818,963.80, 1,277,224,560.90 and 443,672,275.80

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Solution

The fourth proportional to 851,818,963.80, 1,277,224,560.90 and 443,672,275.80 is: 665,245,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,818,963.80 : 1,277,224,560.90 = 443,672,275.80 : x
  2. Step 2: Convert to fraction form
    851,818,963.80/1,277,224,560.90 = 443,672,275.80/x
  3. Step 3: Cross multiply
    851,818,963.80x = 1,277,224,560.90 × 443,672,275.80
  4. Step 4: Simplify right side
    851,818,963.80x = 566,669,127,642,158,784
  5. Step 5: Solve for x
    x = 566,669,127,642,158,784/851,818,963.80
  6. Step 6: Final answer
    x = 665,245,963.90

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1.5x scale

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.