Home / 2,880,094,022.47-4,320,142,702.66-809,815,784.38

Finding the Fourth Proportional to 2,880,094,022.47, 4,320,142,702.66 and 809,815,784.38

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Solution

The fourth proportional to 2,880,094,022.47, 4,320,142,702.66 and 809,815,784.38 is: 1,214,724,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,094,022.47 : 4,320,142,702.66 = 809,815,784.38 : x
  2. Step 2: Convert to fraction form
    2,880,094,022.47/4,320,142,702.66 = 809,815,784.38/x
  3. Step 3: Cross multiply
    2,880,094,022.47x = 4,320,142,702.66 × 809,815,784.38
  4. Step 4: Simplify right side
    2,880,094,022.47x = 3,498,519,751,375,316,480
  5. Step 5: Solve for x
    x = 3,498,519,751,375,316,480/2,880,094,022.47
  6. Step 6: Final answer
    x = 1,214,724,145.84

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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.