Home / 900,570,561.84-1,242,800,067.64-518,881,648.48

Finding the Fourth Proportional to 900,570,561.84, 1,242,800,067.64 and 518,881,648.48

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Solution

The fourth proportional to 900,570,561.84, 1,242,800,067.64 and 518,881,648.48 is: 716,063,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,570,561.84 : 1,242,800,067.64 = 518,881,648.48 : x
  2. Step 2: Convert to fraction form
    900,570,561.84/1,242,800,067.64 = 518,881,648.48/x
  3. Step 3: Cross multiply
    900,570,561.84x = 1,242,800,067.64 × 518,881,648.48
  4. Step 4: Simplify right side
    900,570,561.84x = 644,866,147,828,098,816
  5. Step 5: Solve for x
    x = 644,866,147,828,098,816/900,570,561.84
  6. Step 6: Final answer
    x = 716,063,987.82

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