Home / 8,201,432,627.51-12,302,059,259.91-1,990,597,913.23

Finding the Fourth Proportional to 8,201,432,627.51, 12,302,059,259.91 and 1,990,597,913.23

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Solution

The fourth proportional to 8,201,432,627.51, 12,302,059,259.91 and 1,990,597,913.23 is: 2,985,875,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,432,627.51 : 12,302,059,259.91 = 1,990,597,913.23 : x
  2. Step 2: Convert to fraction form
    8,201,432,627.51/12,302,059,259.91 = 1,990,597,913.23/x
  3. Step 3: Cross multiply
    8,201,432,627.51x = 12,302,059,259.91 × 1,990,597,913.23
  4. Step 4: Simplify right side
    8,201,432,627.51x = 24,488,453,491,209,224,192
  5. Step 5: Solve for x
    x = 24,488,453,491,209,224,192/8,201,432,627.51
  6. Step 6: Final answer
    x = 2,985,875,102.97

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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.