Home / 7,971,664,276.80-11,957,496,415.20-5,905,421,668.80

Finding the Fourth Proportional to 7,971,664,276.80, 11,957,496,415.20 and 5,905,421,668.80

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Solution

The fourth proportional to 7,971,664,276.80, 11,957,496,415.20 and 5,905,421,668.80 is: 8,858,132,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,664,276.80 : 11,957,496,415.20 = 5,905,421,668.80 : x
  2. Step 2: Convert to fraction form
    7,971,664,276.80/11,957,496,415.20 = 5,905,421,668.80/x
  3. Step 3: Cross multiply
    7,971,664,276.80x = 11,957,496,415.20 × 5,905,421,668.80
  4. Step 4: Simplify right side
    7,971,664,276.80x = 70,614,058,434,920,407,040
  5. Step 5: Solve for x
    x = 70,614,058,434,920,407,040/7,971,664,276.80
  6. Step 6: Final answer
    x = 8,858,132,503.20

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Double scale
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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.