Home / 744,237,742.96-1,116,387,434.37-219,606,827.20

Finding the Fourth Proportional to 744,237,742.96, 1,116,387,434.37 and 219,606,827.20

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Solution

The fourth proportional to 744,237,742.96, 1,116,387,434.37 and 219,606,827.20 is: 329,419,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,237,742.96 : 1,116,387,434.37 = 219,606,827.20 : x
  2. Step 2: Convert to fraction form
    744,237,742.96/1,116,387,434.37 = 219,606,827.20/x
  3. Step 3: Cross multiply
    744,237,742.96x = 1,116,387,434.37 × 219,606,827.20
  4. Step 4: Simplify right side
    744,237,742.96x = 245,166,302,387,943,904
  5. Step 5: Solve for x
    x = 245,166,302,387,943,904/744,237,742.96
  6. Step 6: Final answer
    x = 329,419,335.03

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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.