Home / 20,280,197,592.17-30,398,826,051.44-6,821,669,278.43

Finding the Fourth Proportional to 20,280,197,592.17, 30,398,826,051.44 and 6,821,669,278.43

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Solution

The fourth proportional to 20,280,197,592.17, 30,398,826,051.44 and 6,821,669,278.43 is: 10,225,281,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,197,592.17 : 30,398,826,051.44 = 6,821,669,278.43 : x
  2. Step 2: Convert to fraction form
    20,280,197,592.17/30,398,826,051.44 = 6,821,669,278.43/x
  3. Step 3: Cross multiply
    20,280,197,592.17x = 30,398,826,051.44 × 6,821,669,278.43
  4. Step 4: Simplify right side
    20,280,197,592.17x = 207,370,737,775,411,691,520
  5. Step 5: Solve for x
    x = 207,370,737,775,411,691,520/20,280,197,592.17
  6. Step 6: Final answer
    x = 10,225,281,920.11

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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.