Home / 538,294,249,442.13-742,684,793,542.62-309,917,619,586.41

Finding the Fourth Proportional to 538,294,249,442.13, 742,684,793,542.62 and 309,917,619,586.41

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Solution

The fourth proportional to 538,294,249,442.13, 742,684,793,542.62 and 309,917,619,586.41 is: 427,593,465,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,294,249,442.13 : 742,684,793,542.62 = 309,917,619,586.41 : x
  2. Step 2: Convert to fraction form
    538,294,249,442.13/742,684,793,542.62 = 309,917,619,586.41/x
  3. Step 3: Cross multiply
    538,294,249,442.13x = 742,684,793,542.62 × 309,917,619,586.41
  4. Step 4: Simplify right side
    538,294,249,442.13x = 230,171,103,317,753,132,482,560
  5. Step 5: Solve for x
    x = 230,171,103,317,753,132,482,560/538,294,249,442.13
  6. Step 6: Final answer
    x = 427,593,465,017.13

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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.