Home / 291,346,009.20-437,019,013.80-277,909,081.20

Finding the Fourth Proportional to 291,346,009.20, 437,019,013.80 and 277,909,081.20

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Solution

The fourth proportional to 291,346,009.20, 437,019,013.80 and 277,909,081.20 is: 416,863,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,346,009.20 : 437,019,013.80 = 277,909,081.20 : x
  2. Step 2: Convert to fraction form
    291,346,009.20/437,019,013.80 = 277,909,081.20/x
  3. Step 3: Cross multiply
    291,346,009.20x = 437,019,013.80 × 277,909,081.20
  4. Step 4: Simplify right side
    291,346,009.20x = 121,451,552,592,088,112
  5. Step 5: Solve for x
    x = 121,451,552,592,088,112/291,346,009.20
  6. Step 6: Final answer
    x = 416,863,621.80

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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.