Home / 1,293,623,999.60-1,940,435,999.40-516,885,580.40

Finding the Fourth Proportional to 1,293,623,999.60, 1,940,435,999.40 and 516,885,580.40

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Solution

The fourth proportional to 1,293,623,999.60, 1,940,435,999.40 and 516,885,580.40 is: 775,328,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,623,999.60 : 1,940,435,999.40 = 516,885,580.40 : x
  2. Step 2: Convert to fraction form
    1,293,623,999.60/1,940,435,999.40 = 516,885,580.40/x
  3. Step 3: Cross multiply
    1,293,623,999.60x = 1,940,435,999.40 × 516,885,580.40
  4. Step 4: Simplify right side
    1,293,623,999.60x = 1,002,983,387,778,923,008
  5. Step 5: Solve for x
    x = 1,002,983,387,778,923,008/1,293,623,999.60
  6. Step 6: Final answer
    x = 775,328,370.60

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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.