Home / 291,345,427.20-437,018,140.80-277,908,499.20

Finding the Fourth Proportional to 291,345,427.20, 437,018,140.80 and 277,908,499.20

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Solution

The fourth proportional to 291,345,427.20, 437,018,140.80 and 277,908,499.20 is: 416,862,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,345,427.20 : 437,018,140.80 = 277,908,499.20 : x
  2. Step 2: Convert to fraction form
    291,345,427.20/437,018,140.80 = 277,908,499.20/x
  3. Step 3: Cross multiply
    291,345,427.20x = 437,018,140.80 × 277,908,499.20
  4. Step 4: Simplify right side
    291,345,427.20x = 121,451,055,632,902,288
  5. Step 5: Solve for x
    x = 121,451,055,632,902,288/291,345,427.20
  6. Step 6: Final answer
    x = 416,862,748.80

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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.