Home / 497,345,873.73-686,339,439.52-271,289,783.70

Finding the Fourth Proportional to 497,345,873.73, 686,339,439.52 and 271,289,783.70

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Solution

The fourth proportional to 497,345,873.73, 686,339,439.52 and 271,289,783.70 is: 374,381,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,345,873.73 : 686,339,439.52 = 271,289,783.70 : x
  2. Step 2: Convert to fraction form
    497,345,873.73/686,339,439.52 = 271,289,783.70/x
  3. Step 3: Cross multiply
    497,345,873.73x = 686,339,439.52 × 271,289,783.70
  4. Step 4: Simplify right side
    497,345,873.73x = 186,196,878,093,115,488
  5. Step 5: Solve for x
    x = 186,196,878,093,115,488/497,345,873.73
  6. Step 6: Final answer
    x = 374,381,065.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.