Home / 468,879,863.76-703,421,363.16-141,327,977.04

Finding the Fourth Proportional to 468,879,863.76, 703,421,363.16 and 141,327,977.04

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Solution

The fourth proportional to 468,879,863.76, 703,421,363.16 and 141,327,977.04 is: 212,022,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,879,863.76 : 703,421,363.16 = 141,327,977.04 : x
  2. Step 2: Convert to fraction form
    468,879,863.76/703,421,363.16 = 141,327,977.04/x
  3. Step 3: Cross multiply
    468,879,863.76x = 703,421,363.16 × 141,327,977.04
  4. Step 4: Simplify right side
    468,879,863.76x = 99,413,118,262,121,968
  5. Step 5: Solve for x
    x = 99,413,118,262,121,968/468,879,863.76
  6. Step 6: Final answer
    x = 212,022,579.65

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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.