Home / 3,600,987,161.30-4,969,421,115.65-1,971,482,809.47

Finding the Fourth Proportional to 3,600,987,161.30, 4,969,421,115.65 and 1,971,482,809.47

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Solution

The fourth proportional to 3,600,987,161.30, 4,969,421,115.65 and 1,971,482,809.47 is: 2,720,678,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600,987,161.30 : 4,969,421,115.65 = 1,971,482,809.47 : x
  2. Step 2: Convert to fraction form
    3,600,987,161.30/4,969,421,115.65 = 1,971,482,809.47/x
  3. Step 3: Cross multiply
    3,600,987,161.30x = 4,969,421,115.65 × 1,971,482,809.47
  4. Step 4: Simplify right side
    3,600,987,161.30x = 9,797,128,302,511,347,712
  5. Step 5: Solve for x
    x = 9,797,128,302,511,347,712/3,600,987,161.30
  6. Step 6: Final answer
    x = 2,720,678,487.22

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Double scale
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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.