Home / 2,140,146,138,006.80-3,210,520,768,722-687,521,711,201.22

Finding the Fourth Proportional to 2,140,146,138,006.80, 3,210,520,768,722 and 687,521,711,201.22

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Solution

The fourth proportional to 2,140,146,138,006.80, 3,210,520,768,722 and 687,521,711,201.22 is: 1,031,379,443,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,146,138,006.80 : 3,210,520,768,722 = 687,521,711,201.22 : x
  2. Step 2: Convert to fraction form
    2,140,146,138,006.80/3,210,520,768,722 = 687,521,711,201.22/x
  3. Step 3: Cross multiply
    2,140,146,138,006.80x = 3,210,520,768,722 × 687,521,711,201.22
  4. Step 4: Simplify right side
    2,140,146,138,006.80x = 2,207,302,732,758,805,748,121,600
  5. Step 5: Solve for x
    x = 2,207,302,732,758,805,748,121,600/2,140,146,138,006.80
  6. Step 6: Final answer
    x = 1,031,379,443,468.54

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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.