Home / 53,393,266,700.66-73,682,781,012.48-28,978,677,311.67

Finding the Fourth Proportional to 53,393,266,700.66, 73,682,781,012.48 and 28,978,677,311.67

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Solution

The fourth proportional to 53,393,266,700.66, 73,682,781,012.48 and 28,978,677,311.67 is: 39,990,614,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,393,266,700.66 : 73,682,781,012.48 = 28,978,677,311.67 : x
  2. Step 2: Convert to fraction form
    53,393,266,700.66/73,682,781,012.48 = 28,978,677,311.67/x
  3. Step 3: Cross multiply
    53,393,266,700.66x = 73,682,781,012.48 × 28,978,677,311.67
  4. Step 4: Simplify right side
    53,393,266,700.66x = 2,135,229,534,386,734,759,936
  5. Step 5: Solve for x
    x = 2,135,229,534,386,734,759,936/53,393,266,700.66
  6. Step 6: Final answer
    x = 39,990,614,291.45

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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.