Home / 325,550,699.20-488,326,048.80-300,608,401.60

Finding the Fourth Proportional to 325,550,699.20, 488,326,048.80 and 300,608,401.60

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Solution

The fourth proportional to 325,550,699.20, 488,326,048.80 and 300,608,401.60 is: 450,912,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,550,699.20 : 488,326,048.80 = 300,608,401.60 : x
  2. Step 2: Convert to fraction form
    325,550,699.20/488,326,048.80 = 300,608,401.60/x
  3. Step 3: Cross multiply
    325,550,699.20x = 488,326,048.80 × 300,608,401.60
  4. Step 4: Simplify right side
    325,550,699.20x = 146,794,912,989,411,616
  5. Step 5: Solve for x
    x = 146,794,912,989,411,616/325,550,699.20
  6. Step 6: Final answer
    x = 450,912,602.40

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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.