Home / 891,030,176,729.28-1,229,621,776,534.10-485,040,800,116.80

Finding the Fourth Proportional to 891,030,176,729.28, 1,229,621,776,534.10 and 485,040,800,116.80

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Solution

The fourth proportional to 891,030,176,729.28, 1,229,621,776,534.10 and 485,040,800,116.80 is: 669,356,376,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,030,176,729.28 : 1,229,621,776,534.10 = 485,040,800,116.80 : x
  2. Step 2: Convert to fraction form
    891,030,176,729.28/1,229,621,776,534.10 = 485,040,800,116.80/x
  3. Step 3: Cross multiply
    891,030,176,729.28x = 1,229,621,776,534.10 × 485,040,800,116.80
  4. Step 4: Simplify right side
    891,030,176,729.28x = 596,416,730,331,140,954,521,600
  5. Step 5: Solve for x
    x = 596,416,730,331,140,954,521,600/891,030,176,729.28
  6. Step 6: Final answer
    x = 669,356,376,369.23

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.