Home / 1,868,646,991.20-2,802,970,486.80-488,601,002.40

Finding the Fourth Proportional to 1,868,646,991.20, 2,802,970,486.80 and 488,601,002.40

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Solution

The fourth proportional to 1,868,646,991.20, 2,802,970,486.80 and 488,601,002.40 is: 732,901,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,646,991.20 : 2,802,970,486.80 = 488,601,002.40 : x
  2. Step 2: Convert to fraction form
    1,868,646,991.20/2,802,970,486.80 = 488,601,002.40/x
  3. Step 3: Cross multiply
    1,868,646,991.20x = 2,802,970,486.80 × 488,601,002.40
  4. Step 4: Simplify right side
    1,868,646,991.20x = 1,369,534,189,548,096,000
  5. Step 5: Solve for x
    x = 1,369,534,189,548,096,000/1,868,646,991.20
  6. Step 6: Final answer
    x = 732,901,503.60

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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.