Home / 766,089,359.64-1,149,295,614.96-248,479,603.68

Finding the Fourth Proportional to 766,089,359.64, 1,149,295,614.96 and 248,479,603.68

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Solution

The fourth proportional to 766,089,359.64, 1,149,295,614.96 and 248,479,603.68 is: 372,771,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,089,359.64 : 1,149,295,614.96 = 248,479,603.68 : x
  2. Step 2: Convert to fraction form
    766,089,359.64/1,149,295,614.96 = 248,479,603.68/x
  3. Step 3: Cross multiply
    766,089,359.64x = 1,149,295,614.96 × 248,479,603.68
  4. Step 4: Simplify right side
    766,089,359.64x = 285,576,518,916,422,688
  5. Step 5: Solve for x
    x = 285,576,518,916,422,688/766,089,359.64
  6. Step 6: Final answer
    x = 372,771,812.22

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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.