Home / 28,803,373,916.17-39,747,793,087.90-15,943,540,994.74

Finding the Fourth Proportional to 28,803,373,916.17, 39,747,793,087.90 and 15,943,540,994.74

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Solution

The fourth proportional to 28,803,373,916.17, 39,747,793,087.90 and 15,943,540,994.74 is: 22,001,608,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803,373,916.17 : 39,747,793,087.90 = 15,943,540,994.74 : x
  2. Step 2: Convert to fraction form
    28,803,373,916.17/39,747,793,087.90 = 15,943,540,994.74/x
  3. Step 3: Cross multiply
    28,803,373,916.17x = 39,747,793,087.90 × 15,943,540,994.74
  4. Step 4: Simplify right side
    28,803,373,916.17x = 633,720,568,547,209,773,056
  5. Step 5: Solve for x
    x = 633,720,568,547,209,773,056/28,803,373,916.17
  6. Step 6: Final answer
    x = 22,001,608,922.33

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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.