Home / 291,345,405.70-437,018,108.55-277,908,477.70

Finding the Fourth Proportional to 291,345,405.70, 437,018,108.55 and 277,908,477.70

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Solution

The fourth proportional to 291,345,405.70, 437,018,108.55 and 277,908,477.70 is: 416,862,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,345,405.70 : 437,018,108.55 = 277,908,477.70 : x
  2. Step 2: Convert to fraction form
    291,345,405.70/437,018,108.55 = 277,908,477.70/x
  3. Step 3: Cross multiply
    291,345,405.70x = 437,018,108.55 × 277,908,477.70
  4. Step 4: Simplify right side
    291,345,405.70x = 121,451,037,274,463,856
  5. Step 5: Solve for x
    x = 121,451,037,274,463,856/291,345,405.70
  6. Step 6: Final answer
    x = 416,862,716.55

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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.