Home / 645,983,712.66-891,339,933.29-363,682,253.46

Finding the Fourth Proportional to 645,983,712.66, 891,339,933.29 and 363,682,253.46

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Solution

The fourth proportional to 645,983,712.66, 891,339,933.29 and 363,682,253.46 is: 501,815,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,983,712.66 : 891,339,933.29 = 363,682,253.46 : x
  2. Step 2: Convert to fraction form
    645,983,712.66/891,339,933.29 = 363,682,253.46/x
  3. Step 3: Cross multiply
    645,983,712.66x = 891,339,933.29 × 363,682,253.46
  4. Step 4: Simplify right side
    645,983,712.66x = 324,164,515,537,793,216
  5. Step 5: Solve for x
    x = 324,164,515,537,793,216/645,983,712.66
  6. Step 6: Final answer
    x = 501,815,307.70

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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.