Home / 6,984,949,316.50-9,639,269,208.96-3,974,201,945.50

Finding the Fourth Proportional to 6,984,949,316.50, 9,639,269,208.96 and 3,974,201,945.50

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Solution

The fourth proportional to 6,984,949,316.50, 9,639,269,208.96 and 3,974,201,945.50 is: 5,484,420,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984,949,316.50 : 9,639,269,208.96 = 3,974,201,945.50 : x
  2. Step 2: Convert to fraction form
    6,984,949,316.50/9,639,269,208.96 = 3,974,201,945.50/x
  3. Step 3: Cross multiply
    6,984,949,316.50x = 9,639,269,208.96 × 3,974,201,945.50
  4. Step 4: Simplify right side
    6,984,949,316.50x = 38,308,402,443,447,074,816
  5. Step 5: Solve for x
    x = 38,308,402,443,447,074,816/6,984,949,316.50
  6. Step 6: Final answer
    x = 5,484,420,961.07

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Double scale
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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.