Home / 291,345,927.70-437,018,891.55-277,908,999.70

Finding the Fourth Proportional to 291,345,927.70, 437,018,891.55 and 277,908,999.70

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Solution

The fourth proportional to 291,345,927.70, 437,018,891.55 and 277,908,999.70 is: 416,863,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,345,927.70 : 437,018,891.55 = 277,908,999.70 : x
  2. Step 2: Convert to fraction form
    291,345,927.70/437,018,891.55 = 277,908,999.70/x
  3. Step 3: Cross multiply
    291,345,927.70x = 437,018,891.55 × 277,908,999.70
  4. Step 4: Simplify right side
    291,345,927.70x = 121,451,483,000,663,280
  5. Step 5: Solve for x
    x = 121,451,483,000,663,280/291,345,927.70
  6. Step 6: Final answer
    x = 416,863,499.55

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1.5x scale

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.