Home / 4,748,544,009.60-7,122,816,014.40-4,240,628,131.20

Finding the Fourth Proportional to 4,748,544,009.60, 7,122,816,014.40 and 4,240,628,131.20

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Solution

The fourth proportional to 4,748,544,009.60, 7,122,816,014.40 and 4,240,628,131.20 is: 6,360,942,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748,544,009.60 : 7,122,816,014.40 = 4,240,628,131.20 : x
  2. Step 2: Convert to fraction form
    4,748,544,009.60/7,122,816,014.40 = 4,240,628,131.20/x
  3. Step 3: Cross multiply
    4,748,544,009.60x = 7,122,816,014.40 × 4,240,628,131.20
  4. Step 4: Simplify right side
    4,748,544,009.60x = 30,205,213,964,026,503,168
  5. Step 5: Solve for x
    x = 30,205,213,964,026,503,168/4,748,544,009.60
  6. Step 6: Final answer
    x = 6,360,942,196.80

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Double scale
Find fourth proportional to 4,748,544,010.60, 7,122,816,015.90 and 4,240,628,132.20
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.