Home / 20,559,725,790.09-28,365,639,455.97-12,418,487,217.04

Finding the Fourth Proportional to 20,559,725,790.09, 28,365,639,455.97 and 12,418,487,217.04

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Solution

The fourth proportional to 20,559,725,790.09, 28,365,639,455.97 and 12,418,487,217.04 is: 17,133,415,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559,725,790.09 : 28,365,639,455.97 = 12,418,487,217.04 : x
  2. Step 2: Convert to fraction form
    20,559,725,790.09/28,365,639,455.97 = 12,418,487,217.04/x
  3. Step 3: Cross multiply
    20,559,725,790.09x = 28,365,639,455.97 × 12,418,487,217.04
  4. Step 4: Simplify right side
    20,559,725,790.09x = 352,258,330,987,128,946,688
  5. Step 5: Solve for x
    x = 352,258,330,987,128,946,688/20,559,725,790.09
  6. Step 6: Final answer
    x = 17,133,415,814.18

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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.