Home / 533,823,853.60-800,735,780.40-328,686,752.80

Finding the Fourth Proportional to 533,823,853.60, 800,735,780.40 and 328,686,752.80

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Solution

The fourth proportional to 533,823,853.60, 800,735,780.40 and 328,686,752.80 is: 493,030,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,823,853.60 : 800,735,780.40 = 328,686,752.80 : x
  2. Step 2: Convert to fraction form
    533,823,853.60/800,735,780.40 = 328,686,752.80/x
  3. Step 3: Cross multiply
    533,823,853.60x = 800,735,780.40 × 328,686,752.80
  4. Step 4: Simplify right side
    533,823,853.60x = 263,191,243,510,449,888
  5. Step 5: Solve for x
    x = 263,191,243,510,449,888/533,823,853.60
  6. Step 6: Final answer
    x = 493,030,129.20

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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.