Home / 747,955,999.20-1,121,933,998.80-333,432,019.20

Finding the Fourth Proportional to 747,955,999.20, 1,121,933,998.80 and 333,432,019.20

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Solution

The fourth proportional to 747,955,999.20, 1,121,933,998.80 and 333,432,019.20 is: 500,148,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,955,999.20 : 1,121,933,998.80 = 333,432,019.20 : x
  2. Step 2: Convert to fraction form
    747,955,999.20/1,121,933,998.80 = 333,432,019.20/x
  3. Step 3: Cross multiply
    747,955,999.20x = 1,121,933,998.80 × 333,432,019.20
  4. Step 4: Simplify right side
    747,955,999.20x = 374,088,718,629,014,336
  5. Step 5: Solve for x
    x = 374,088,718,629,014,336/747,955,999.20
  6. Step 6: Final answer
    x = 500,148,028.80

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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.