Home / 2,155,201,795.70-3,232,802,693.55-1,638,641,143.70

Finding the Fourth Proportional to 2,155,201,795.70, 3,232,802,693.55 and 1,638,641,143.70

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Solution

The fourth proportional to 2,155,201,795.70, 3,232,802,693.55 and 1,638,641,143.70 is: 2,457,961,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,201,795.70 : 3,232,802,693.55 = 1,638,641,143.70 : x
  2. Step 2: Convert to fraction form
    2,155,201,795.70/3,232,802,693.55 = 1,638,641,143.70/x
  3. Step 3: Cross multiply
    2,155,201,795.70x = 3,232,802,693.55 × 1,638,641,143.70
  4. Step 4: Simplify right side
    2,155,201,795.70x = 5,297,403,503,115,212,800
  5. Step 5: Solve for x
    x = 5,297,403,503,115,212,800/2,155,201,795.70
  6. Step 6: Final answer
    x = 2,457,961,715.55

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1.5x scale

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.