Home / 1,294,430,686.28-1,941,433,452.78-557,302,139.40

Finding the Fourth Proportional to 1,294,430,686.28, 1,941,433,452.78 and 557,302,139.40

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Solution

The fourth proportional to 1,294,430,686.28, 1,941,433,452.78 and 557,302,139.40 is: 835,861,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,430,686.28 : 1,941,433,452.78 = 557,302,139.40 : x
  2. Step 2: Convert to fraction form
    1,294,430,686.28/1,941,433,452.78 = 557,302,139.40/x
  3. Step 3: Cross multiply
    1,294,430,686.28x = 1,941,433,452.78 × 557,302,139.40
  4. Step 4: Simplify right side
    1,294,430,686.28x = 1,081,965,016,737,022,848
  5. Step 5: Solve for x
    x = 1,081,965,016,737,022,848/1,294,430,686.28
  6. Step 6: Final answer
    x = 835,861,686.69

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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.