Home / 1,465,607,846.40-2,198,411,769.60-776,860,310.40

Finding the Fourth Proportional to 1,465,607,846.40, 2,198,411,769.60 and 776,860,310.40

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Solution

The fourth proportional to 1,465,607,846.40, 2,198,411,769.60 and 776,860,310.40 is: 1,165,290,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,607,846.40 : 2,198,411,769.60 = 776,860,310.40 : x
  2. Step 2: Convert to fraction form
    1,465,607,846.40/2,198,411,769.60 = 776,860,310.40/x
  3. Step 3: Cross multiply
    1,465,607,846.40x = 2,198,411,769.60 × 776,860,310.40
  4. Step 4: Simplify right side
    1,465,607,846.40x = 1,707,858,849,718,469,120
  5. Step 5: Solve for x
    x = 1,707,858,849,718,469,120/1,465,607,846.40
  6. Step 6: Final answer
    x = 1,165,290,465.60

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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.