Home / 255,360,012.80-383,040,019.20-174,738,444.80

Finding the Fourth Proportional to 255,360,012.80, 383,040,019.20 and 174,738,444.80

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Solution

The fourth proportional to 255,360,012.80, 383,040,019.20 and 174,738,444.80 is: 262,107,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,360,012.80 : 383,040,019.20 = 174,738,444.80 : x
  2. Step 2: Convert to fraction form
    255,360,012.80/383,040,019.20 = 174,738,444.80/x
  3. Step 3: Cross multiply
    255,360,012.80x = 383,040,019.20 × 174,738,444.80
  4. Step 4: Simplify right side
    255,360,012.80x = 66,931,817,251,170,144
  5. Step 5: Solve for x
    x = 66,931,817,251,170,144/255,360,012.80
  6. Step 6: Final answer
    x = 262,107,667.20

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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.