Home / 291,345,920.20-437,018,880.30-277,908,992.20

Finding the Fourth Proportional to 291,345,920.20, 437,018,880.30 and 277,908,992.20

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Solution

The fourth proportional to 291,345,920.20, 437,018,880.30 and 277,908,992.20 is: 416,863,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,345,920.20 : 437,018,880.30 = 277,908,992.20 : x
  2. Step 2: Convert to fraction form
    291,345,920.20/437,018,880.30 = 277,908,992.20/x
  3. Step 3: Cross multiply
    291,345,920.20x = 437,018,880.30 × 277,908,992.20
  4. Step 4: Simplify right side
    291,345,920.20x = 121,451,476,596,545,424
  5. Step 5: Solve for x
    x = 121,451,476,596,545,424/291,345,920.20
  6. Step 6: Final answer
    x = 416,863,488.30

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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.