Home / 4,784,640,980.40-7,180,171,403.40-1,679,217,620.40

Finding the Fourth Proportional to 4,784,640,980.40, 7,180,171,403.40 and 1,679,217,620.40

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Solution

The fourth proportional to 4,784,640,980.40, 7,180,171,403.40 and 1,679,217,620.40 is: 2,519,952,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784,640,980.40 : 7,180,171,403.40 = 1,679,217,620.40 : x
  2. Step 2: Convert to fraction form
    4,784,640,980.40/7,180,171,403.40 = 1,679,217,620.40/x
  3. Step 3: Cross multiply
    4,784,640,980.40x = 7,180,171,403.40 × 1,679,217,620.40
  4. Step 4: Simplify right side
    4,784,640,980.40x = 12,057,070,338,081,476,608
  5. Step 5: Solve for x
    x = 12,057,070,338,081,476,608/4,784,640,980.40
  6. Step 6: Final answer
    x = 2,519,952,988.63

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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.