Home / 1,286,773,509.39-1,929,279,098.84-655,283,181.03

Finding the Fourth Proportional to 1,286,773,509.39, 1,929,279,098.84 and 655,283,181.03

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Solution

The fourth proportional to 1,286,773,509.39, 1,929,279,098.84 and 655,283,181.03 is: 982,476,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,773,509.39 : 1,929,279,098.84 = 655,283,181.03 : x
  2. Step 2: Convert to fraction form
    1,286,773,509.39/1,929,279,098.84 = 655,283,181.03/x
  3. Step 3: Cross multiply
    1,286,773,509.39x = 1,929,279,098.84 × 655,283,181.03
  4. Step 4: Simplify right side
    1,286,773,509.39x = 1,264,224,144,979,290,624
  5. Step 5: Solve for x
    x = 1,264,224,144,979,290,624/1,286,773,509.39
  6. Step 6: Final answer
    x = 982,476,042.41

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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.