Home / 1,771,427,999.80-2,657,128,002.90-461,327,519.80

Finding the Fourth Proportional to 1,771,427,999.80, 2,657,128,002.90 and 461,327,519.80

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Solution

The fourth proportional to 1,771,427,999.80, 2,657,128,002.90 and 461,327,519.80 is: 691,987,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,427,999.80 : 2,657,128,002.90 = 461,327,519.80 : x
  2. Step 2: Convert to fraction form
    1,771,427,999.80/2,657,128,002.90 = 461,327,519.80/x
  3. Step 3: Cross multiply
    1,771,427,999.80x = 2,657,128,002.90 × 461,327,519.80
  4. Step 4: Simplify right side
    1,771,427,999.80x = 1,225,806,271,368,984,320
  5. Step 5: Solve for x
    x = 1,225,806,271,368,984,320/1,771,427,999.80
  6. Step 6: Final answer
    x = 691,987,634.56

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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.