Home / 6,984,949,313.50-9,639,269,204.82-3,974,201,942.50

Finding the Fourth Proportional to 6,984,949,313.50, 9,639,269,204.82 and 3,974,201,942.50

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Solution

The fourth proportional to 6,984,949,313.50, 9,639,269,204.82 and 3,974,201,942.50 is: 5,484,420,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984,949,313.50 : 9,639,269,204.82 = 3,974,201,942.50 : x
  2. Step 2: Convert to fraction form
    6,984,949,313.50/9,639,269,204.82 = 3,974,201,942.50/x
  3. Step 3: Cross multiply
    6,984,949,313.50x = 9,639,269,204.82 × 3,974,201,942.50
  4. Step 4: Simplify right side
    6,984,949,313.50x = 38,308,402,398,076,076,032
  5. Step 5: Solve for x
    x = 38,308,402,398,076,076,032/6,984,949,313.50
  6. Step 6: Final answer
    x = 5,484,420,956.93

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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.