Home / 804,818,001.40-1,207,227,002.10-659,415,743.80

Finding the Fourth Proportional to 804,818,001.40, 1,207,227,002.10 and 659,415,743.80

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Solution

The fourth proportional to 804,818,001.40, 1,207,227,002.10 and 659,415,743.80 is: 989,123,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,818,001.40 : 1,207,227,002.10 = 659,415,743.80 : x
  2. Step 2: Convert to fraction form
    804,818,001.40/1,207,227,002.10 = 659,415,743.80/x
  3. Step 3: Cross multiply
    804,818,001.40x = 1,207,227,002.10 × 659,415,743.80
  4. Step 4: Simplify right side
    804,818,001.40x = 796,064,491,525,215,488
  5. Step 5: Solve for x
    x = 796,064,491,525,215,488/804,818,001.40
  6. Step 6: Final answer
    x = 989,123,615.70

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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.