Home / 28,326,012,827.27-39,093,325,478.53-16,121,685,410.27

Finding the Fourth Proportional to 28,326,012,827.27, 39,093,325,478.53 and 16,121,685,410.27

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Solution

The fourth proportional to 28,326,012,827.27, 39,093,325,478.53 and 16,121,685,410.27 is: 22,249,876,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326,012,827.27 : 39,093,325,478.53 = 16,121,685,410.27 : x
  2. Step 2: Convert to fraction form
    28,326,012,827.27/39,093,325,478.53 = 16,121,685,410.27/x
  3. Step 3: Cross multiply
    28,326,012,827.27x = 39,093,325,478.53 × 16,121,685,410.27
  4. Step 4: Simplify right side
    28,326,012,827.27x = 630,250,295,006,153,539,584
  5. Step 5: Solve for x
    x = 630,250,295,006,153,539,584/28,326,012,827.27
  6. Step 6: Final answer
    x = 22,249,876,777.55

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1.5x scale

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.