Home / 1,142,516,473,181.20-1,576,625,147,452.20-621,673,936,938.88

Finding the Fourth Proportional to 1,142,516,473,181.20, 1,576,625,147,452.20 and 621,673,936,938.88

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Solution

The fourth proportional to 1,142,516,473,181.20, 1,576,625,147,452.20 and 621,673,936,938.88 is: 857,884,140,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,516,473,181.20 : 1,576,625,147,452.20 = 621,673,936,938.88 : x
  2. Step 2: Convert to fraction form
    1,142,516,473,181.20/1,576,625,147,452.20 = 621,673,936,938.88/x
  3. Step 3: Cross multiply
    1,142,516,473,181.20x = 1,576,625,147,452.20 × 621,673,936,938.88
  4. Step 4: Simplify right side
    1,142,516,473,181.20x = 980,146,762,493,451,302,862,848
  5. Step 5: Solve for x
    x = 980,146,762,493,451,302,862,848/1,142,516,473,181.20
  6. Step 6: Final answer
    x = 857,884,140,404.87

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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.