Home / 53,393,266,701.66-73,682,781,013.86-28,978,677,312.67

Finding the Fourth Proportional to 53,393,266,701.66, 73,682,781,013.86 and 28,978,677,312.67

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Solution

The fourth proportional to 53,393,266,701.66, 73,682,781,013.86 and 28,978,677,312.67 is: 39,990,614,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,393,266,701.66 : 73,682,781,013.86 = 28,978,677,312.67 : x
  2. Step 2: Convert to fraction form
    53,393,266,701.66/73,682,781,013.86 = 28,978,677,312.67/x
  3. Step 3: Cross multiply
    53,393,266,701.66x = 73,682,781,013.86 × 28,978,677,312.67
  4. Step 4: Simplify right side
    53,393,266,701.66x = 2,135,229,534,500,776,574,976
  5. Step 5: Solve for x
    x = 2,135,229,534,500,776,574,976/53,393,266,701.66
  6. Step 6: Final answer
    x = 39,990,614,292.84

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1.5x scale

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.