Home / 744,392,021.40-1,116,588,032.10-199,133,555.40

Finding the Fourth Proportional to 744,392,021.40, 1,116,588,032.10 and 199,133,555.40

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Solution

The fourth proportional to 744,392,021.40, 1,116,588,032.10 and 199,133,555.40 is: 298,700,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,392,021.40 : 1,116,588,032.10 = 199,133,555.40 : x
  2. Step 2: Convert to fraction form
    744,392,021.40/1,116,588,032.10 = 199,133,555.40/x
  3. Step 3: Cross multiply
    744,392,021.40x = 1,116,588,032.10 × 199,133,555.40
  4. Step 4: Simplify right side
    744,392,021.40x = 222,350,144,749,162,304
  5. Step 5: Solve for x
    x = 222,350,144,749,162,304/744,392,021.40
  6. Step 6: Final answer
    x = 298,700,333.10

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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.