Home / 455,278,502.88-683,026,398.72-148,571,186.40

Finding the Fourth Proportional to 455,278,502.88, 683,026,398.72 and 148,571,186.40

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Solution

The fourth proportional to 455,278,502.88, 683,026,398.72 and 148,571,186.40 is: 222,892,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,278,502.88 : 683,026,398.72 = 148,571,186.40 : x
  2. Step 2: Convert to fraction form
    455,278,502.88/683,026,398.72 = 148,571,186.40/x
  3. Step 3: Cross multiply
    455,278,502.88x = 683,026,398.72 × 148,571,186.40
  4. Step 4: Simplify right side
    455,278,502.88x = 101,478,042,400,349,856
  5. Step 5: Solve for x
    x = 101,478,042,400,349,856/455,278,502.88
  6. Step 6: Final answer
    x = 222,892,233.56

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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.