Home / 868,121,442,756.88-1,302,330,517,403.10-357,901,297,556.95

Finding the Fourth Proportional to 868,121,442,756.88, 1,302,330,517,403.10 and 357,901,297,556.95

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Solution

The fourth proportional to 868,121,442,756.88, 1,302,330,517,403.10 and 357,901,297,556.95 is: 536,913,108,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,121,442,756.88 : 1,302,330,517,403.10 = 357,901,297,556.95 : x
  2. Step 2: Convert to fraction form
    868,121,442,756.88/1,302,330,517,403.10 = 357,901,297,556.95/x
  3. Step 3: Cross multiply
    868,121,442,756.88x = 1,302,330,517,403.10 × 357,901,297,556.95
  4. Step 4: Simplify right side
    868,121,442,756.88x = 466,105,782,026,583,605,772,288
  5. Step 5: Solve for x
    x = 466,105,782,026,583,605,772,288/868,121,442,756.88
  6. Step 6: Final answer
    x = 536,913,108,085.87

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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.