Home / 3,089,510,750.16-4,263,678,016.20-1,916,466,935.76

Finding the Fourth Proportional to 3,089,510,750.16, 4,263,678,016.20 and 1,916,466,935.76

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Solution

The fourth proportional to 3,089,510,750.16, 4,263,678,016.20 and 1,916,466,935.76 is: 2,644,819,391.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089,510,750.16 : 4,263,678,016.20 = 1,916,466,935.76 : x
  2. Step 2: Convert to fraction form
    3,089,510,750.16/4,263,678,016.20 = 1,916,466,935.76/x
  3. Step 3: Cross multiply
    3,089,510,750.16x = 4,263,678,016.20 × 1,916,466,935.76
  4. Step 4: Simplify right side
    3,089,510,750.16x = 8,171,197,942,774,089,728
  5. Step 5: Solve for x
    x = 8,171,197,942,774,089,728/3,089,510,750.16
  6. Step 6: Final answer
    x = 2,644,819,391.66

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Double scale
Find fourth proportional to 3,089,510,751.16, 4,263,678,017.58 and 1,916,466,936.76
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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.