Home / 288,735,302.10-433,102,953.15-256,990,559.70

Finding the Fourth Proportional to 288,735,302.10, 433,102,953.15 and 256,990,559.70

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Solution

The fourth proportional to 288,735,302.10, 433,102,953.15 and 256,990,559.70 is: 385,485,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,735,302.10 : 433,102,953.15 = 256,990,559.70 : x
  2. Step 2: Convert to fraction form
    288,735,302.10/433,102,953.15 = 256,990,559.70/x
  3. Step 3: Cross multiply
    288,735,302.10x = 433,102,953.15 × 256,990,559.70
  4. Step 4: Simplify right side
    288,735,302.10x = 111,303,370,337,741,360
  5. Step 5: Solve for x
    x = 111,303,370,337,741,360/288,735,302.10
  6. Step 6: Final answer
    x = 385,485,839.55

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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.