Home / 15,835,880,320.20-23,769,125,981.10-7,984,158,409.80

Finding the Fourth Proportional to 15,835,880,320.20, 23,769,125,981.10 and 7,984,158,409.80

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Solution

The fourth proportional to 15,835,880,320.20, 23,769,125,981.10 and 7,984,158,409.80 is: 11,983,954,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,835,880,320.20 : 23,769,125,981.10 = 7,984,158,409.80 : x
  2. Step 2: Convert to fraction form
    15,835,880,320.20/23,769,125,981.10 = 7,984,158,409.80/x
  3. Step 3: Cross multiply
    15,835,880,320.20x = 23,769,125,981.10 × 7,984,158,409.80
  4. Step 4: Simplify right side
    15,835,880,320.20x = 189,776,467,095,595,220,992
  5. Step 5: Solve for x
    x = 189,776,467,095,595,220,992/15,835,880,320.20
  6. Step 6: Final answer
    x = 11,983,954,365.55

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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.