Home / 1,327,851,615.56-1,991,785,007.44-551,497,276.68

Finding the Fourth Proportional to 1,327,851,615.56, 1,991,785,007.44 and 551,497,276.68

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Solution

The fourth proportional to 1,327,851,615.56, 1,991,785,007.44 and 551,497,276.68 is: 827,249,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,851,615.56 : 1,991,785,007.44 = 551,497,276.68 : x
  2. Step 2: Convert to fraction form
    1,327,851,615.56/1,991,785,007.44 = 551,497,276.68/x
  3. Step 3: Cross multiply
    1,327,851,615.56x = 1,991,785,007.44 × 551,497,276.68
  4. Step 4: Simplify right side
    1,327,851,615.56x = 1,098,464,007,335,213,440
  5. Step 5: Solve for x
    x = 1,098,464,007,335,213,440/1,327,851,615.56
  6. Step 6: Final answer
    x = 827,249,064.93

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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.