Home / 992,176,137.96-1,369,333,450.62-568,955,421.24

Finding the Fourth Proportional to 992,176,137.96, 1,369,333,450.62 and 568,955,421.24

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Solution

The fourth proportional to 992,176,137.96, 1,369,333,450.62 and 568,955,421.24 is: 785,233,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,176,137.96 : 1,369,333,450.62 = 568,955,421.24 : x
  2. Step 2: Convert to fraction form
    992,176,137.96/1,369,333,450.62 = 568,955,421.24/x
  3. Step 3: Cross multiply
    992,176,137.96x = 1,369,333,450.62 × 568,955,421.24
  4. Step 4: Simplify right side
    992,176,137.96x = 779,089,690,215,524,736
  5. Step 5: Solve for x
    x = 779,089,690,215,524,736/992,176,137.96
  6. Step 6: Final answer
    x = 785,233,246.81

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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.