Home / 20,595,861,823,930-28,403,197,730,103-15,031,372,334,064

Finding the Fourth Proportional to 20,595,861,823,930, 28,403,197,730,103 and 15,031,372,334,064

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Solution

The fourth proportional to 20,595,861,823,930, 28,403,197,730,103 and 15,031,372,334,064 is: 20,729,360,305,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595,861,823,930 : 28,403,197,730,103 = 15,031,372,334,064 : x
  2. Step 2: Convert to fraction form
    20,595,861,823,930/28,403,197,730,103 = 15,031,372,334,064/x
  3. Step 3: Cross multiply
    20,595,861,823,930x = 28,403,197,730,103 × 15,031,372,334,064
  4. Step 4: Simplify right side
    20,595,861,823,930x = 426,939,040,559,219,621,207,474,176
  5. Step 5: Solve for x
    x = 426,939,040,559,219,621,207,474,176/20,595,861,823,930
  6. Step 6: Final answer
    x = 20,729,360,305,921.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.