Home / 329,039,590.41-453,809,869.72-289,262,070.92

Finding the Fourth Proportional to 329,039,590.41, 453,809,869.72 and 289,262,070.92

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Solution

The fourth proportional to 329,039,590.41, 453,809,869.72 and 289,262,070.92 is: 398,948,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,039,590.41 : 453,809,869.72 = 289,262,070.92 : x
  2. Step 2: Convert to fraction form
    329,039,590.41/453,809,869.72 = 289,262,070.92/x
  3. Step 3: Cross multiply
    329,039,590.41x = 453,809,869.72 × 289,262,070.92
  4. Step 4: Simplify right side
    329,039,590.41x = 131,269,982,719,553,968
  5. Step 5: Solve for x
    x = 131,269,982,719,553,968/329,039,590.41
  6. Step 6: Final answer
    x = 398,948,900.21

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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.