Home / 742,296,082.45-1,024,350,726.86-412,271,483.89

Finding the Fourth Proportional to 742,296,082.45, 1,024,350,726.86 and 412,271,483.89

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Solution

The fourth proportional to 742,296,082.45, 1,024,350,726.86 and 412,271,483.89 is: 568,924,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,296,082.45 : 1,024,350,726.86 = 412,271,483.89 : x
  2. Step 2: Convert to fraction form
    742,296,082.45/1,024,350,726.86 = 412,271,483.89/x
  3. Step 3: Cross multiply
    742,296,082.45x = 1,024,350,726.86 × 412,271,483.89
  4. Step 4: Simplify right side
    742,296,082.45x = 422,310,594,186,372,288
  5. Step 5: Solve for x
    x = 422,310,594,186,372,288/742,296,082.45
  6. Step 6: Final answer
    x = 568,924,724.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.