Home / 486,598,751.20-729,977,733.60-158,979,152.80

Finding the Fourth Proportional to 486,598,751.20, 729,977,733.60 and 158,979,152.80

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Solution

The fourth proportional to 486,598,751.20, 729,977,733.60 and 158,979,152.80 is: 238,494,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,598,751.20 : 729,977,733.60 = 158,979,152.80 : x
  2. Step 2: Convert to fraction form
    486,598,751.20/729,977,733.60 = 158,979,152.80/x
  3. Step 3: Cross multiply
    486,598,751.20x = 729,977,733.60 × 158,979,152.80
  4. Step 4: Simplify right side
    486,598,751.20x = 116,051,241,650,592,112
  5. Step 5: Solve for x
    x = 116,051,241,650,592,112/486,598,751.20
  6. Step 6: Final answer
    x = 238,494,737.94

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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.