Home / 256,211,628.40-384,317,442.60-243,670,495.60

Finding the Fourth Proportional to 256,211,628.40, 384,317,442.60 and 243,670,495.60

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Solution

The fourth proportional to 256,211,628.40, 384,317,442.60 and 243,670,495.60 is: 365,505,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,211,628.40 : 384,317,442.60 = 243,670,495.60 : x
  2. Step 2: Convert to fraction form
    256,211,628.40/384,317,442.60 = 243,670,495.60/x
  3. Step 3: Cross multiply
    256,211,628.40x = 384,317,442.60 × 243,670,495.60
  4. Step 4: Simplify right side
    256,211,628.40x = 93,646,821,706,066,560
  5. Step 5: Solve for x
    x = 93,646,821,706,066,560/256,211,628.40
  6. Step 6: Final answer
    x = 365,505,743.40

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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.