Home / 7,991,298,038.40-11,986,947,057.60-7,610,361,129.60

Finding the Fourth Proportional to 7,991,298,038.40, 11,986,947,057.60 and 7,610,361,129.60

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Solution

The fourth proportional to 7,991,298,038.40, 11,986,947,057.60 and 7,610,361,129.60 is: 11,415,541,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991,298,038.40 : 11,986,947,057.60 = 7,610,361,129.60 : x
  2. Step 2: Convert to fraction form
    7,991,298,038.40/11,986,947,057.60 = 7,610,361,129.60/x
  3. Step 3: Cross multiply
    7,991,298,038.40x = 11,986,947,057.60 × 7,610,361,129.60
  4. Step 4: Simplify right side
    7,991,298,038.40x = 91,224,995,949,732,134,912
  5. Step 5: Solve for x
    x = 91,224,995,949,732,134,912/7,991,298,038.40
  6. Step 6: Final answer
    x = 11,415,541,694.40

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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.