Home / 1,195,365,513.30-1,649,610,137.78-659,517,151.24

Finding the Fourth Proportional to 1,195,365,513.30, 1,649,610,137.78 and 659,517,151.24

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Solution

The fourth proportional to 1,195,365,513.30, 1,649,610,137.78 and 659,517,151.24 is: 910,136,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,365,513.30 : 1,649,610,137.78 = 659,517,151.24 : x
  2. Step 2: Convert to fraction form
    1,195,365,513.30/1,649,610,137.78 = 659,517,151.24/x
  3. Step 3: Cross multiply
    1,195,365,513.30x = 1,649,610,137.78 × 659,517,151.24
  4. Step 4: Simplify right side
    1,195,365,513.30x = 1,087,946,178,725,289,472
  5. Step 5: Solve for x
    x = 1,087,946,178,725,289,472/1,195,365,513.30
  6. Step 6: Final answer
    x = 910,136,829.80

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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.