Home / 2,140,146,138,024.80-3,210,520,768,748.70-687,521,711,219.20

Finding the Fourth Proportional to 2,140,146,138,024.80, 3,210,520,768,748.70 and 687,521,711,219.20

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Solution

The fourth proportional to 2,140,146,138,024.80, 3,210,520,768,748.70 and 687,521,711,219.20 is: 1,031,379,443,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,146,138,024.80 : 3,210,520,768,748.70 = 687,521,711,219.20 : x
  2. Step 2: Convert to fraction form
    2,140,146,138,024.80/3,210,520,768,748.70 = 687,521,711,219.20/x
  3. Step 3: Cross multiply
    2,140,146,138,024.80x = 3,210,520,768,748.70 × 687,521,711,219.20
  4. Step 4: Simplify right side
    2,140,146,138,024.80x = 2,207,302,732,834,887,604,109,312
  5. Step 5: Solve for x
    x = 2,207,302,732,834,887,604,109,312/2,140,146,138,024.80
  6. Step 6: Final answer
    x = 1,031,379,443,495.42

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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.