Home / 1,612,236,991.82-2,417,231,113.78-714,355,420.32

Finding the Fourth Proportional to 1,612,236,991.82, 2,417,231,113.78 and 714,355,420.32

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Solution

The fourth proportional to 1,612,236,991.82, 2,417,231,113.78 and 714,355,420.32 is: 1,071,034,939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,236,991.82 : 2,417,231,113.78 = 714,355,420.32 : x
  2. Step 2: Convert to fraction form
    1,612,236,991.82/2,417,231,113.78 = 714,355,420.32/x
  3. Step 3: Cross multiply
    1,612,236,991.82x = 2,417,231,113.78 × 714,355,420.32
  4. Step 4: Simplify right side
    1,612,236,991.82x = 1,726,762,148,294,893,824
  5. Step 5: Solve for x
    x = 1,726,762,148,294,893,824/1,612,236,991.82
  6. Step 6: Final answer
    x = 1,071,034,939.07

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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.