Home / 478,059,342.82-659,755,678.41-266,380,225.18

Finding the Fourth Proportional to 478,059,342.82, 659,755,678.41 and 266,380,225.18

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Solution

The fourth proportional to 478,059,342.82, 659,755,678.41 and 266,380,225.18 is: 367,623,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,059,342.82 : 659,755,678.41 = 266,380,225.18 : x
  2. Step 2: Convert to fraction form
    478,059,342.82/659,755,678.41 = 266,380,225.18/x
  3. Step 3: Cross multiply
    478,059,342.82x = 659,755,678.41 × 266,380,225.18
  4. Step 4: Simplify right side
    478,059,342.82x = 175,745,866,178,639,456
  5. Step 5: Solve for x
    x = 175,745,866,178,639,456/478,059,342.82
  6. Step 6: Final answer
    x = 367,623,536.32

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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.