Home / 291,034,718.70-436,552,078.05-251,920,661.10

Finding the Fourth Proportional to 291,034,718.70, 436,552,078.05 and 251,920,661.10

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Solution

The fourth proportional to 291,034,718.70, 436,552,078.05 and 251,920,661.10 is: 377,880,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,034,718.70 : 436,552,078.05 = 251,920,661.10 : x
  2. Step 2: Convert to fraction form
    291,034,718.70/436,552,078.05 = 251,920,661.10/x
  3. Step 3: Cross multiply
    291,034,718.70x = 436,552,078.05 × 251,920,661.10
  4. Step 4: Simplify right side
    291,034,718.70x = 109,976,488,106,934,800
  5. Step 5: Solve for x
    x = 109,976,488,106,934,800/291,034,718.70
  6. Step 6: Final answer
    x = 377,880,991.65

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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.