Home / 2,140,146,138,018.80-3,210,520,768,740-687,521,711,213.22

Finding the Fourth Proportional to 2,140,146,138,018.80, 3,210,520,768,740 and 687,521,711,213.22

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Solution

The fourth proportional to 2,140,146,138,018.80, 3,210,520,768,740 and 687,521,711,213.22 is: 1,031,379,443,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,146,138,018.80 : 3,210,520,768,740 = 687,521,711,213.22 : x
  2. Step 2: Convert to fraction form
    2,140,146,138,018.80/3,210,520,768,740 = 687,521,711,213.22/x
  3. Step 3: Cross multiply
    2,140,146,138,018.80x = 3,210,520,768,740 × 687,521,711,213.22
  4. Step 4: Simplify right side
    2,140,146,138,018.80x = 2,207,302,732,809,707,284,594,688
  5. Step 5: Solve for x
    x = 2,207,302,732,809,707,284,594,688/2,140,146,138,018.80
  6. Step 6: Final answer
    x = 1,031,379,443,486.54

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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.