Home / 798,705,836.19-1,198,118,992.68-238,423,428.77

Finding the Fourth Proportional to 798,705,836.19, 1,198,118,992.68 and 238,423,428.77

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Solution

The fourth proportional to 798,705,836.19, 1,198,118,992.68 and 238,423,428.77 is: 357,653,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,705,836.19 : 1,198,118,992.68 = 238,423,428.77 : x
  2. Step 2: Convert to fraction form
    798,705,836.19/1,198,118,992.68 = 238,423,428.77/x
  3. Step 3: Cross multiply
    798,705,836.19x = 1,198,118,992.68 × 238,423,428.77
  4. Step 4: Simplify right side
    798,705,836.19x = 285,659,638,303,233,536
  5. Step 5: Solve for x
    x = 285,659,638,303,233,536/798,705,836.19
  6. Step 6: Final answer
    x = 357,653,125.04

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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.