Home / 579,312,099.80-868,968,149.70-170,409,584.60

Finding the Fourth Proportional to 579,312,099.80, 868,968,149.70 and 170,409,584.60

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Solution

The fourth proportional to 579,312,099.80, 868,968,149.70 and 170,409,584.60 is: 255,614,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,312,099.80 : 868,968,149.70 = 170,409,584.60 : x
  2. Step 2: Convert to fraction form
    579,312,099.80/868,968,149.70 = 170,409,584.60/x
  3. Step 3: Cross multiply
    579,312,099.80x = 868,968,149.70 × 170,409,584.60
  4. Step 4: Simplify right side
    579,312,099.80x = 148,080,501,421,007,616
  5. Step 5: Solve for x
    x = 148,080,501,421,007,616/579,312,099.80
  6. Step 6: Final answer
    x = 255,614,376.90

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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.