Home / 366,774,787,218.08-550,413,487,181.76-128,009,436,221.39

Finding the Fourth Proportional to 366,774,787,218.08, 550,413,487,181.76 and 128,009,436,221.39

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Solution

The fourth proportional to 366,774,787,218.08, 550,413,487,181.76 and 128,009,436,221.39 is: 192,101,863,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,774,787,218.08 : 550,413,487,181.76 = 128,009,436,221.39 : x
  2. Step 2: Convert to fraction form
    366,774,787,218.08/550,413,487,181.76 = 128,009,436,221.39/x
  3. Step 3: Cross multiply
    366,774,787,218.08x = 550,413,487,181.76 × 128,009,436,221.39
  4. Step 4: Simplify right side
    366,774,787,218.08x = 70,458,120,182,786,372,403,200
  5. Step 5: Solve for x
    x = 70,458,120,182,786,372,403,200/366,774,787,218.08
  6. Step 6: Final answer
    x = 192,101,863,700.06

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1.5x scale

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.