Home / 7,409,772,001.20-11,114,658,001.80-3,969,918,433.20

Finding the Fourth Proportional to 7,409,772,001.20, 11,114,658,001.80 and 3,969,918,433.20

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Solution

The fourth proportional to 7,409,772,001.20, 11,114,658,001.80 and 3,969,918,433.20 is: 5,954,877,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409,772,001.20 : 11,114,658,001.80 = 3,969,918,433.20 : x
  2. Step 2: Convert to fraction form
    7,409,772,001.20/11,114,658,001.80 = 3,969,918,433.20/x
  3. Step 3: Cross multiply
    7,409,772,001.20x = 11,114,658,001.80 × 3,969,918,433.20
  4. Step 4: Simplify right side
    7,409,772,001.20x = 44,124,285,680,059,695,104
  5. Step 5: Solve for x
    x = 44,124,285,680,059,695,104/7,409,772,001.20
  6. Step 6: Final answer
    x = 5,954,877,649.80

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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.