Home / 255,059,405,554.61-351,979,887,885.99-139,316,239,001.58

Finding the Fourth Proportional to 255,059,405,554.61, 351,979,887,885.99 and 139,316,239,001.58

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Solution

The fourth proportional to 255,059,405,554.61, 351,979,887,885.99 and 139,316,239,001.58 is: 192,255,267,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,059,405,554.61 : 351,979,887,885.99 = 139,316,239,001.58 : x
  2. Step 2: Convert to fraction form
    255,059,405,554.61/351,979,887,885.99 = 139,316,239,001.58/x
  3. Step 3: Cross multiply
    255,059,405,554.61x = 351,979,887,885.99 × 139,316,239,001.58
  4. Step 4: Simplify right side
    255,059,405,554.61x = 49,036,514,184,473,908,084,736
  5. Step 5: Solve for x
    x = 49,036,514,184,473,908,084,736/255,059,405,554.61
  6. Step 6: Final answer
    x = 192,255,267,269.39

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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.