Home / 503,599,643.70-755,399,465.55-140,093,999.70

Finding the Fourth Proportional to 503,599,643.70, 755,399,465.55 and 140,093,999.70

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Solution

The fourth proportional to 503,599,643.70, 755,399,465.55 and 140,093,999.70 is: 210,140,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,599,643.70 : 755,399,465.55 = 140,093,999.70 : x
  2. Step 2: Convert to fraction form
    503,599,643.70/755,399,465.55 = 140,093,999.70/x
  3. Step 3: Cross multiply
    503,599,643.70x = 755,399,465.55 × 140,093,999.70
  4. Step 4: Simplify right side
    503,599,643.70x = 105,826,932,500,141,840
  5. Step 5: Solve for x
    x = 105,826,932,500,141,840/503,599,643.70
  6. Step 6: Final answer
    x = 210,140,999.55

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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.