Home / 13,560,691,828.16-18,714,160,190.70-7,456,727,315.59

Finding the Fourth Proportional to 13,560,691,828.16, 18,714,160,190.70 and 7,456,727,315.59

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Solution

The fourth proportional to 13,560,691,828.16, 18,714,160,190.70 and 7,456,727,315.59 is: 10,290,506,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560,691,828.16 : 18,714,160,190.70 = 7,456,727,315.59 : x
  2. Step 2: Convert to fraction form
    13,560,691,828.16/18,714,160,190.70 = 7,456,727,315.59/x
  3. Step 3: Cross multiply
    13,560,691,828.16x = 18,714,160,190.70 × 7,456,727,315.59
  4. Step 4: Simplify right side
    13,560,691,828.16x = 139,546,389,482,188,800,000
  5. Step 5: Solve for x
    x = 139,546,389,482,188,800,000/13,560,691,828.16
  6. Step 6: Final answer
    x = 10,290,506,653.39

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Double scale
Find fourth proportional to 13,560,691,829.16, 18,714,160,192.08 and 7,456,727,316.59
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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.