Home / 6,442,688,806.61-9,665,424,198.78-1,961,133,884.00

Finding the Fourth Proportional to 6,442,688,806.61, 9,665,424,198.78 and 1,961,133,884.00

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Solution

The fourth proportional to 6,442,688,806.61, 9,665,424,198.78 and 1,961,133,884.00 is: 2,942,124,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,688,806.61 : 9,665,424,198.78 = 1,961,133,884.00 : x
  2. Step 2: Convert to fraction form
    6,442,688,806.61/9,665,424,198.78 = 1,961,133,884.00/x
  3. Step 3: Cross multiply
    6,442,688,806.61x = 9,665,424,198.78 × 1,961,133,884.00
  4. Step 4: Simplify right side
    6,442,688,806.61x = 18,955,190,899,402,874,880
  5. Step 5: Solve for x
    x = 18,955,190,899,402,874,880/6,442,688,806.61
  6. Step 6: Final answer
    x = 2,942,124,238.56

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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.