Home / 768,403,893.34-1,060,397,727.59-415,979,884.06

Finding the Fourth Proportional to 768,403,893.34, 1,060,397,727.59 and 415,979,884.06

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Solution

The fourth proportional to 768,403,893.34, 1,060,397,727.59 and 415,979,884.06 is: 574,052,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,403,893.34 : 1,060,397,727.59 = 415,979,884.06 : x
  2. Step 2: Convert to fraction form
    768,403,893.34/1,060,397,727.59 = 415,979,884.06/x
  3. Step 3: Cross multiply
    768,403,893.34x = 1,060,397,727.59 × 415,979,884.06
  4. Step 4: Simplify right side
    768,403,893.34x = 441,104,123,772,993,792
  5. Step 5: Solve for x
    x = 441,104,123,772,993,792/768,403,893.34
  6. Step 6: Final answer
    x = 574,052,432.06

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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.