Home / 478,099,842.53-659,771,076.06-266,415,595.22

Finding the Fourth Proportional to 478,099,842.53, 659,771,076.06 and 266,415,595.22

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Solution

The fourth proportional to 478,099,842.53, 659,771,076.06 and 266,415,595.22 is: 367,649,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,099,842.53 : 659,771,076.06 = 266,415,595.22 : x
  2. Step 2: Convert to fraction form
    478,099,842.53/659,771,076.06 = 266,415,595.22/x
  3. Step 3: Cross multiply
    478,099,842.53x = 659,771,076.06 × 266,415,595.22
  4. Step 4: Simplify right side
    478,099,842.53x = 175,773,303,939,114,208
  5. Step 5: Solve for x
    x = 175,773,303,939,114,208/478,099,842.53
  6. Step 6: Final answer
    x = 367,649,784.22

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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.