Home / 1,580,140,920-2,370,204,609.92-399,732,572.48

Finding the Fourth Proportional to 1,580,140,920, 2,370,204,609.92 and 399,732,572.48

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Solution

The fourth proportional to 1,580,140,920, 2,370,204,609.92 and 399,732,572.48 is: 599,597,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,140,920 : 2,370,204,609.92 = 399,732,572.48 : x
  2. Step 2: Convert to fraction form
    1,580,140,920/2,370,204,609.92 = 399,732,572.48/x
  3. Step 3: Cross multiply
    1,580,140,920x = 2,370,204,609.92 × 399,732,572.48
  4. Step 4: Simplify right side
    1,580,140,920x = 947,447,986,027,276,544
  5. Step 5: Solve for x
    x = 947,447,986,027,276,544/1,580,140,920
  6. Step 6: Final answer
    x = 599,597,146.07

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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.