Home / 8,080,973,391.80-12,121,460,087.70-5,323,715,766.20

Finding the Fourth Proportional to 8,080,973,391.80, 12,121,460,087.70 and 5,323,715,766.20

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Solution

The fourth proportional to 8,080,973,391.80, 12,121,460,087.70 and 5,323,715,766.20 is: 7,985,573,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080,973,391.80 : 12,121,460,087.70 = 5,323,715,766.20 : x
  2. Step 2: Convert to fraction form
    8,080,973,391.80/12,121,460,087.70 = 5,323,715,766.20/x
  3. Step 3: Cross multiply
    8,080,973,391.80x = 12,121,460,087.70 × 5,323,715,766.20
  4. Step 4: Simplify right side
    8,080,973,391.80x = 64,531,208,178,252,529,664
  5. Step 5: Solve for x
    x = 64,531,208,178,252,529,664/8,080,973,391.80
  6. Step 6: Final answer
    x = 7,985,573,649.30

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Double scale
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1.5x scale

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.