Home / 843,789,825.82-1,164,319,534.04-486,570,796.20

Finding the Fourth Proportional to 843,789,825.82, 1,164,319,534.04 and 486,570,796.20

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Solution

The fourth proportional to 843,789,825.82, 1,164,319,534.04 and 486,570,796.20 is: 671,404,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,789,825.82 : 1,164,319,534.04 = 486,570,796.20 : x
  2. Step 2: Convert to fraction form
    843,789,825.82/1,164,319,534.04 = 486,570,796.20/x
  3. Step 3: Cross multiply
    843,789,825.82x = 1,164,319,534.04 × 486,570,796.20
  4. Step 4: Simplify right side
    843,789,825.82x = 566,523,882,709,055,744
  5. Step 5: Solve for x
    x = 566,523,882,709,055,744/843,789,825.82
  6. Step 6: Final answer
    x = 671,404,021.92

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1.5x scale

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.