Home / 651,122,022.70-976,683,034.05-166,422,169.90

Finding the Fourth Proportional to 651,122,022.70, 976,683,034.05 and 166,422,169.90

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Solution

The fourth proportional to 651,122,022.70, 976,683,034.05 and 166,422,169.90 is: 249,633,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,122,022.70 : 976,683,034.05 = 166,422,169.90 : x
  2. Step 2: Convert to fraction form
    651,122,022.70/976,683,034.05 = 166,422,169.90/x
  3. Step 3: Cross multiply
    651,122,022.70x = 976,683,034.05 × 166,422,169.90
  4. Step 4: Simplify right side
    651,122,022.70x = 162,541,709,831,116,576
  5. Step 5: Solve for x
    x = 162,541,709,831,116,576/651,122,022.70
  6. Step 6: Final answer
    x = 249,633,254.85

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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.