Home / 262,320,666.40-393,480,999.60-254,762,394.40

Finding the Fourth Proportional to 262,320,666.40, 393,480,999.60 and 254,762,394.40

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Solution

The fourth proportional to 262,320,666.40, 393,480,999.60 and 254,762,394.40 is: 382,143,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,320,666.40 : 393,480,999.60 = 254,762,394.40 : x
  2. Step 2: Convert to fraction form
    262,320,666.40/393,480,999.60 = 254,762,394.40/x
  3. Step 3: Cross multiply
    262,320,666.40x = 393,480,999.60 × 254,762,394.40
  4. Step 4: Simplify right side
    262,320,666.40x = 100,244,161,609,001,456
  5. Step 5: Solve for x
    x = 100,244,161,609,001,456/262,320,666.40
  6. Step 6: Final answer
    x = 382,143,591.60

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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.