Home / 889,667,999.20-1,334,501,998.80-735,479,250.40

Finding the Fourth Proportional to 889,667,999.20, 1,334,501,998.80 and 735,479,250.40

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Solution

The fourth proportional to 889,667,999.20, 1,334,501,998.80 and 735,479,250.40 is: 1,103,218,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,667,999.20 : 1,334,501,998.80 = 735,479,250.40 : x
  2. Step 2: Convert to fraction form
    889,667,999.20/1,334,501,998.80 = 735,479,250.40/x
  3. Step 3: Cross multiply
    889,667,999.20x = 1,334,501,998.80 × 735,479,250.40
  4. Step 4: Simplify right side
    889,667,999.20x = 981,498,529,734,725,632
  5. Step 5: Solve for x
    x = 981,498,529,734,725,632/889,667,999.20
  6. Step 6: Final answer
    x = 1,103,218,875.60

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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.