Home / 354,398,520.40-531,597,780.60-322,086,907.60

Finding the Fourth Proportional to 354,398,520.40, 531,597,780.60 and 322,086,907.60

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Solution

The fourth proportional to 354,398,520.40, 531,597,780.60 and 322,086,907.60 is: 483,130,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,398,520.40 : 531,597,780.60 = 322,086,907.60 : x
  2. Step 2: Convert to fraction form
    354,398,520.40/531,597,780.60 = 322,086,907.60/x
  3. Step 3: Cross multiply
    354,398,520.40x = 531,597,780.60 × 322,086,907.60
  4. Step 4: Simplify right side
    354,398,520.40x = 171,220,685,240,477,280
  5. Step 5: Solve for x
    x = 171,220,685,240,477,280/354,398,520.40
  6. Step 6: Final answer
    x = 483,130,361.40

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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.