Home / 579,312,002.80-868,968,004.20-170,409,487.60

Finding the Fourth Proportional to 579,312,002.80, 868,968,004.20 and 170,409,487.60

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Solution

The fourth proportional to 579,312,002.80, 868,968,004.20 and 170,409,487.60 is: 255,614,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,312,002.80 : 868,968,004.20 = 170,409,487.60 : x
  2. Step 2: Convert to fraction form
    579,312,002.80/868,968,004.20 = 170,409,487.60/x
  3. Step 3: Cross multiply
    579,312,002.80x = 868,968,004.20 × 170,409,487.60
  4. Step 4: Simplify right side
    579,312,002.80x = 148,080,392,336,516,640
  5. Step 5: Solve for x
    x = 148,080,392,336,516,640/579,312,002.80
  6. Step 6: Final answer
    x = 255,614,231.40

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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.