Home / 744,432,407.20-1,116,648,610.80-191,733,767.20

Finding the Fourth Proportional to 744,432,407.20, 1,116,648,610.80 and 191,733,767.20

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Solution

The fourth proportional to 744,432,407.20, 1,116,648,610.80 and 191,733,767.20 is: 287,600,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,432,407.20 : 1,116,648,610.80 = 191,733,767.20 : x
  2. Step 2: Convert to fraction form
    744,432,407.20/1,116,648,610.80 = 191,733,767.20/x
  3. Step 3: Cross multiply
    744,432,407.20x = 1,116,648,610.80 × 191,733,767.20
  4. Step 4: Simplify right side
    744,432,407.20x = 214,099,244,787,330,592
  5. Step 5: Solve for x
    x = 214,099,244,787,330,592/744,432,407.20
  6. Step 6: Final answer
    x = 287,600,650.80

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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.