Home / 10,628,928,020.40-15,943,392,030.60-5,669,945,761.20

Finding the Fourth Proportional to 10,628,928,020.40, 15,943,392,030.60 and 5,669,945,761.20

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Solution

The fourth proportional to 10,628,928,020.40, 15,943,392,030.60 and 5,669,945,761.20 is: 8,504,918,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628,928,020.40 : 15,943,392,030.60 = 5,669,945,761.20 : x
  2. Step 2: Convert to fraction form
    10,628,928,020.40/15,943,392,030.60 = 5,669,945,761.20/x
  3. Step 3: Cross multiply
    10,628,928,020.40x = 15,943,392,030.60 × 5,669,945,761.20
  4. Step 4: Simplify right side
    10,628,928,020.40x = 90,398,168,063,050,334,208
  5. Step 5: Solve for x
    x = 90,398,168,063,050,334,208/10,628,928,020.40
  6. Step 6: Final answer
    x = 8,504,918,641.80

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Double scale
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Similar ratio
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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.