Home / 478,099,816.17-659,771,039.70-266,415,568.86

Finding the Fourth Proportional to 478,099,816.17, 659,771,039.70 and 266,415,568.86

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Solution

The fourth proportional to 478,099,816.17, 659,771,039.70 and 266,415,568.86 is: 367,649,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,099,816.17 : 659,771,039.70 = 266,415,568.86 : x
  2. Step 2: Convert to fraction form
    478,099,816.17/659,771,039.70 = 266,415,568.86/x
  3. Step 3: Cross multiply
    478,099,816.17x = 659,771,039.70 × 266,415,568.86
  4. Step 4: Simplify right side
    478,099,816.17x = 175,773,276,857,795,392
  5. Step 5: Solve for x
    x = 175,773,276,857,795,392/478,099,816.17
  6. Step 6: Final answer
    x = 367,649,747.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.