Home / 70,407,062,583.65-105,611,247,608.04-20,042,494,608.63

Finding the Fourth Proportional to 70,407,062,583.65, 105,611,247,608.04 and 20,042,494,608.63

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Solution

The fourth proportional to 70,407,062,583.65, 105,611,247,608.04 and 20,042,494,608.63 is: 30,063,928,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,407,062,583.65 : 105,611,247,608.04 = 20,042,494,608.63 : x
  2. Step 2: Convert to fraction form
    70,407,062,583.65/105,611,247,608.04 = 20,042,494,608.63/x
  3. Step 3: Cross multiply
    70,407,062,583.65x = 105,611,247,608.04 × 20,042,494,608.63
  4. Step 4: Simplify right side
    70,407,062,583.65x = 2,116,712,860,794,829,668,352
  5. Step 5: Solve for x
    x = 2,116,712,860,794,829,668,352/70,407,062,583.65
  6. Step 6: Final answer
    x = 30,063,928,008.36

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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.