Home / 30,647,909,368.16-45,949,800,610.71-18,832,616,777.79

Finding the Fourth Proportional to 30,647,909,368.16, 45,949,800,610.71 and 18,832,616,777.79

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Solution

The fourth proportional to 30,647,909,368.16, 45,949,800,610.71 and 18,832,616,777.79 is: 28,235,367,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647,909,368.16 : 45,949,800,610.71 = 18,832,616,777.79 : x
  2. Step 2: Convert to fraction form
    30,647,909,368.16/45,949,800,610.71 = 18,832,616,777.79/x
  3. Step 3: Cross multiply
    30,647,909,368.16x = 45,949,800,610.71 × 18,832,616,777.79
  4. Step 4: Simplify right side
    30,647,909,368.16x = 865,354,985,917,362,339,840
  5. Step 5: Solve for x
    x = 865,354,985,917,362,339,840/30,647,909,368.16
  6. Step 6: Final answer
    x = 28,235,367,558.76

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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.