Home / 1,360,491,834,617.90-1,877,535,769,983.20-782,428,804,734.84

Finding the Fourth Proportional to 1,360,491,834,617.90, 1,877,535,769,983.20 and 782,428,804,734.84

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Solution

The fourth proportional to 1,360,491,834,617.90, 1,877,535,769,983.20 and 782,428,804,734.84 is: 1,079,784,553,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,491,834,617.90 : 1,877,535,769,983.20 = 782,428,804,734.84 : x
  2. Step 2: Convert to fraction form
    1,360,491,834,617.90/1,877,535,769,983.20 = 782,428,804,734.84/x
  3. Step 3: Cross multiply
    1,360,491,834,617.90x = 1,877,535,769,983.20 × 782,428,804,734.84
  4. Step 4: Simplify right side
    1,360,491,834,617.90x = 1,469,038,068,354,862,651,801,600
  5. Step 5: Solve for x
    x = 1,469,038,068,354,862,651,801,600/1,360,491,834,617.90
  6. Step 6: Final answer
    x = 1,079,784,553,626.11

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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.