Home / 1,168,684,847.52-1,612,785,654.99-640,082,077.80

Finding the Fourth Proportional to 1,168,684,847.52, 1,612,785,654.99 and 640,082,077.80

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Solution

The fourth proportional to 1,168,684,847.52, 1,612,785,654.99 and 640,082,077.80 is: 883,313,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,684,847.52 : 1,612,785,654.99 = 640,082,077.80 : x
  2. Step 2: Convert to fraction form
    1,168,684,847.52/1,612,785,654.99 = 640,082,077.80/x
  3. Step 3: Cross multiply
    1,168,684,847.52x = 1,612,785,654.99 × 640,082,077.80
  4. Step 4: Simplify right side
    1,168,684,847.52x = 1,032,315,193,092,033,024
  5. Step 5: Solve for x
    x = 1,032,315,193,092,033,024/1,168,684,847.52
  6. Step 6: Final answer
    x = 883,313,577.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.