Home / 7,955,009,546.76-10,978,178,193.59-4,338,230,622.17

Finding the Fourth Proportional to 7,955,009,546.76, 10,978,178,193.59 and 4,338,230,622.17

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Solution

The fourth proportional to 7,955,009,546.76, 10,978,178,193.59 and 4,338,230,622.17 is: 5,986,902,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955,009,546.76 : 10,978,178,193.59 = 4,338,230,622.17 : x
  2. Step 2: Convert to fraction form
    7,955,009,546.76/10,978,178,193.59 = 4,338,230,622.17/x
  3. Step 3: Cross multiply
    7,955,009,546.76x = 10,978,178,193.59 × 4,338,230,622.17
  4. Step 4: Simplify right side
    7,955,009,546.76x = 47,625,868,814,994,489,344
  5. Step 5: Solve for x
    x = 47,625,868,814,994,489,344/7,955,009,546.76
  6. Step 6: Final answer
    x = 5,986,902,785.60

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Double scale
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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.