Home / 14,764,531,810.92-20,375,180,940.78-8,421,220,812.84

Finding the Fourth Proportional to 14,764,531,810.92, 20,375,180,940.78 and 8,421,220,812.84

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Solution

The fourth proportional to 14,764,531,810.92, 20,375,180,940.78 and 8,421,220,812.84 is: 11,621,357,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764,531,810.92 : 20,375,180,940.78 = 8,421,220,812.84 : x
  2. Step 2: Convert to fraction form
    14,764,531,810.92/20,375,180,940.78 = 8,421,220,812.84/x
  3. Step 3: Cross multiply
    14,764,531,810.92x = 20,375,180,940.78 × 8,421,220,812.84
  4. Step 4: Simplify right side
    14,764,531,810.92x = 171,583,897,803,877,416,960
  5. Step 5: Solve for x
    x = 171,583,897,803,877,416,960/14,764,531,810.92
  6. Step 6: Final answer
    x = 11,621,357,182.28

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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.