Home / 1,997,939,001.20-2,996,908,501.80-1,967,327,999.60

Finding the Fourth Proportional to 1,997,939,001.20, 2,996,908,501.80 and 1,967,327,999.60

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Solution

The fourth proportional to 1,997,939,001.20, 2,996,908,501.80 and 1,967,327,999.60 is: 2,950,991,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,939,001.20 : 2,996,908,501.80 = 1,967,327,999.60 : x
  2. Step 2: Convert to fraction form
    1,997,939,001.20/2,996,908,501.80 = 1,967,327,999.60/x
  3. Step 3: Cross multiply
    1,997,939,001.20x = 2,996,908,501.80 × 1,967,327,999.60
  4. Step 4: Simplify right side
    1,997,939,001.20x = 5,895,902,007,830,426,624
  5. Step 5: Solve for x
    x = 5,895,902,007,830,426,624/1,997,939,001.20
  6. Step 6: Final answer
    x = 2,950,991,999.40

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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.