Home / 20,194,758,085.95-30,292,137,128.93-18,541,763,999.55

Finding the Fourth Proportional to 20,194,758,085.95, 30,292,137,128.93 and 18,541,763,999.55

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Solution

The fourth proportional to 20,194,758,085.95, 30,292,137,128.93 and 18,541,763,999.55 is: 27,812,645,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,758,085.95 : 30,292,137,128.93 = 18,541,763,999.55 : x
  2. Step 2: Convert to fraction form
    20,194,758,085.95/30,292,137,128.93 = 18,541,763,999.55/x
  3. Step 3: Cross multiply
    20,194,758,085.95x = 30,292,137,128.93 × 18,541,763,999.55
  4. Step 4: Simplify right side
    20,194,758,085.95x = 561,669,657,686,626,140,160
  5. Step 5: Solve for x
    x = 561,669,657,686,626,140,160/20,194,758,085.95
  6. Step 6: Final answer
    x = 27,812,645,999.33

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Double scale
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1.5x scale

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.