Home / 788,335,877.11-1,182,621,398.31-290,308,098.58

Finding the Fourth Proportional to 788,335,877.11, 1,182,621,398.31 and 290,308,098.58

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Solution

The fourth proportional to 788,335,877.11, 1,182,621,398.31 and 290,308,098.58 is: 435,505,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,335,877.11 : 1,182,621,398.31 = 290,308,098.58 : x
  2. Step 2: Convert to fraction form
    788,335,877.11/1,182,621,398.31 = 290,308,098.58/x
  3. Step 3: Cross multiply
    788,335,877.11x = 1,182,621,398.31 × 290,308,098.58
  4. Step 4: Simplify right side
    788,335,877.11x = 343,324,569,483,396,864
  5. Step 5: Solve for x
    x = 343,324,569,483,396,864/788,335,877.11
  6. Step 6: Final answer
    x = 435,505,448.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.