Home / 28,326,012,825.77-39,093,325,476.45-16,121,685,408.76

Finding the Fourth Proportional to 28,326,012,825.77, 39,093,325,476.45 and 16,121,685,408.76

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Solution

The fourth proportional to 28,326,012,825.77, 39,093,325,476.45 and 16,121,685,408.76 is: 22,249,876,775.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,326,012,825.77 : 39,093,325,476.45 = 16,121,685,408.76 : x
  2. Step 2: Convert to fraction form
    28,326,012,825.77/39,093,325,476.45 = 16,121,685,408.76/x
  3. Step 3: Cross multiply
    28,326,012,825.77x = 39,093,325,476.45 × 16,121,685,408.76
  4. Step 4: Simplify right side
    28,326,012,825.77x = 630,250,294,913,810,432,000
  5. Step 5: Solve for x
    x = 630,250,294,913,810,432,000/28,326,012,825.77
  6. Step 6: Final answer
    x = 22,249,876,775.47

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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.