Home / 782,890,434.02-1,174,793,576.03-291,942,876.26

Finding the Fourth Proportional to 782,890,434.02, 1,174,793,576.03 and 291,942,876.26

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Solution

The fourth proportional to 782,890,434.02, 1,174,793,576.03 and 291,942,876.26 is: 438,085,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,890,434.02 : 1,174,793,576.03 = 291,942,876.26 : x
  2. Step 2: Convert to fraction form
    782,890,434.02/1,174,793,576.03 = 291,942,876.26/x
  3. Step 3: Cross multiply
    782,890,434.02x = 1,174,793,576.03 × 291,942,876.26
  4. Step 4: Simplify right side
    782,890,434.02x = 342,972,615,602,190,720
  5. Step 5: Solve for x
    x = 342,972,615,602,190,720/782,890,434.02
  6. Step 6: Final answer
    x = 438,085,076.40

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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.