Home / 255,059,405,556.10-351,979,887,888.05-139,316,239,003.08

Finding the Fourth Proportional to 255,059,405,556.10, 351,979,887,888.05 and 139,316,239,003.08

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Solution

The fourth proportional to 255,059,405,556.10, 351,979,887,888.05 and 139,316,239,003.08 is: 192,255,267,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,059,405,556.10 : 351,979,887,888.05 = 139,316,239,003.08 : x
  2. Step 2: Convert to fraction form
    255,059,405,556.10/351,979,887,888.05 = 139,316,239,003.08/x
  3. Step 3: Cross multiply
    255,059,405,556.10x = 351,979,887,888.05 × 139,316,239,003.08
  4. Step 4: Simplify right side
    255,059,405,556.10x = 49,036,514,185,288,869,740,544
  5. Step 5: Solve for x
    x = 49,036,514,185,288,869,740,544/255,059,405,556.10
  6. Step 6: Final answer
    x = 192,255,267,271.47

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1.5x scale

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.