Home / 2,118,514,725,787.60-3,178,277,147,191.20-685,923,051,511.03

Finding the Fourth Proportional to 2,118,514,725,787.60, 3,178,277,147,191.20 and 685,923,051,511.03

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Solution

The fourth proportional to 2,118,514,725,787.60, 3,178,277,147,191.20 and 685,923,051,511.03 is: 1,029,048,102,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,514,725,787.60 : 3,178,277,147,191.20 = 685,923,051,511.03 : x
  2. Step 2: Convert to fraction form
    2,118,514,725,787.60/3,178,277,147,191.20 = 685,923,051,511.03/x
  3. Step 3: Cross multiply
    2,118,514,725,787.60x = 3,178,277,147,191.20 × 685,923,051,511.03
  4. Step 4: Simplify right side
    2,118,514,725,787.60x = 2,180,053,559,349,159,103,823,872
  5. Step 5: Solve for x
    x = 2,180,053,559,349,159,103,823,872/2,118,514,725,787.60
  6. Step 6: Final answer
    x = 1,029,048,102,811.12

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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.