Home / 382,477,947.40-573,858,638.70-152,612,000.20

Finding the Fourth Proportional to 382,477,947.40, 573,858,638.70 and 152,612,000.20

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Solution

The fourth proportional to 382,477,947.40, 573,858,638.70 and 152,612,000.20 is: 228,974,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,477,947.40 : 573,858,638.70 = 152,612,000.20 : x
  2. Step 2: Convert to fraction form
    382,477,947.40/573,858,638.70 = 152,612,000.20/x
  3. Step 3: Cross multiply
    382,477,947.40x = 573,858,638.70 × 152,612,000.20
  4. Step 4: Simplify right side
    382,477,947.40x = 87,577,714,684,056,128
  5. Step 5: Solve for x
    x = 87,577,714,684,056,128/382,477,947.40
  6. Step 6: Final answer
    x = 228,974,546.84

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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.