Home / 538,294,249,436.13-742,684,793,534.34-309,917,619,580.41

Finding the Fourth Proportional to 538,294,249,436.13, 742,684,793,534.34 and 309,917,619,580.41

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Solution

The fourth proportional to 538,294,249,436.13, 742,684,793,534.34 and 309,917,619,580.41 is: 427,593,465,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,294,249,436.13 : 742,684,793,534.34 = 309,917,619,580.41 : x
  2. Step 2: Convert to fraction form
    538,294,249,436.13/742,684,793,534.34 = 309,917,619,580.41/x
  3. Step 3: Cross multiply
    538,294,249,436.13x = 742,684,793,534.34 × 309,917,619,580.41
  4. Step 4: Simplify right side
    538,294,249,436.13x = 230,171,103,310,730,894,508,032
  5. Step 5: Solve for x
    x = 230,171,103,310,730,894,508,032/538,294,249,436.13
  6. Step 6: Final answer
    x = 427,593,465,008.85

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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.