Home / 778,572,022.60-1,167,858,033.90-744,134,645.80

Finding the Fourth Proportional to 778,572,022.60, 1,167,858,033.90 and 744,134,645.80

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Solution

The fourth proportional to 778,572,022.60, 1,167,858,033.90 and 744,134,645.80 is: 1,116,201,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,572,022.60 : 1,167,858,033.90 = 744,134,645.80 : x
  2. Step 2: Convert to fraction form
    778,572,022.60/1,167,858,033.90 = 744,134,645.80/x
  3. Step 3: Cross multiply
    778,572,022.60x = 1,167,858,033.90 × 744,134,645.80
  4. Step 4: Simplify right side
    778,572,022.60x = 869,043,624,400,860,928
  5. Step 5: Solve for x
    x = 869,043,624,400,860,928/778,572,022.60
  6. Step 6: Final answer
    x = 1,116,201,968.70

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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.