Home / 1,118,640,035.54-1,543,453,289.58-722,078,096.74

Finding the Fourth Proportional to 1,118,640,035.54, 1,543,453,289.58 and 722,078,096.74

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Solution

The fourth proportional to 1,118,640,035.54, 1,543,453,289.58 and 722,078,096.74 is: 996,293,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,640,035.54 : 1,543,453,289.58 = 722,078,096.74 : x
  2. Step 2: Convert to fraction form
    1,118,640,035.54/1,543,453,289.58 = 722,078,096.74/x
  3. Step 3: Cross multiply
    1,118,640,035.54x = 1,543,453,289.58 × 722,078,096.74
  4. Step 4: Simplify right side
    1,118,640,035.54x = 1,114,493,813,745,903,744
  5. Step 5: Solve for x
    x = 1,114,493,813,745,903,744/1,118,640,035.54
  6. Step 6: Final answer
    x = 996,293,515.64

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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.