Home / 20,772,288,443,607-31,163,219,532,866-7,189,193,083,127.20

Finding the Fourth Proportional to 20,772,288,443,607, 31,163,219,532,866 and 7,189,193,083,127.20

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Solution

The fourth proportional to 20,772,288,443,607, 31,163,219,532,866 and 7,189,193,083,127.20 is: 10,785,446,337,406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,772,288,443,607 : 31,163,219,532,866 = 7,189,193,083,127.20 : x
  2. Step 2: Convert to fraction form
    20,772,288,443,607/31,163,219,532,866 = 7,189,193,083,127.20/x
  3. Step 3: Cross multiply
    20,772,288,443,607x = 31,163,219,532,866 × 7,189,193,083,127.20
  4. Step 4: Simplify right side
    20,772,288,443,607x = 224,038,402,313,654,689,423,425,536
  5. Step 5: Solve for x
    x = 224,038,402,313,654,689,423,425,536/20,772,288,443,607
  6. Step 6: Final answer
    x = 10,785,446,337,406.61

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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.