Home / 255,059,405,566.43-351,979,887,902.28-139,316,239,013.37

Finding the Fourth Proportional to 255,059,405,566.43, 351,979,887,902.28 and 139,316,239,013.37

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Solution

The fourth proportional to 255,059,405,566.43, 351,979,887,902.28 and 139,316,239,013.37 is: 192,255,267,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,059,405,566.43 : 351,979,887,902.28 = 139,316,239,013.37 : x
  2. Step 2: Convert to fraction form
    255,059,405,566.43/351,979,887,902.28 = 139,316,239,013.37/x
  3. Step 3: Cross multiply
    255,059,405,566.43x = 351,979,887,902.28 × 139,316,239,013.37
  4. Step 4: Simplify right side
    255,059,405,566.43x = 49,036,514,190,893,223,247,872
  5. Step 5: Solve for x
    x = 49,036,514,190,893,223,247,872/255,059,405,566.43
  6. Step 6: Final answer
    x = 192,255,267,285.65

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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.