Home / 643,084,654.95-964,684,524.23-249,602,256.68

Finding the Fourth Proportional to 643,084,654.95, 964,684,524.23 and 249,602,256.68

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Solution

The fourth proportional to 643,084,654.95, 964,684,524.23 and 249,602,256.68 is: 374,425,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,084,654.95 : 964,684,524.23 = 249,602,256.68 : x
  2. Step 2: Convert to fraction form
    643,084,654.95/964,684,524.23 = 249,602,256.68/x
  3. Step 3: Cross multiply
    643,084,654.95x = 964,684,524.23 × 249,602,256.68
  4. Step 4: Simplify right side
    643,084,654.95x = 240,787,434,226,008,736
  5. Step 5: Solve for x
    x = 240,787,434,226,008,736/643,084,654.95
  6. Step 6: Final answer
    x = 374,425,718.87

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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.