Home / 28,029,178,515.52-42,038,409,590.88-8,399,873,739.52

Finding the Fourth Proportional to 28,029,178,515.52, 42,038,409,590.88 and 8,399,873,739.52

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Solution

The fourth proportional to 28,029,178,515.52, 42,038,409,590.88 and 8,399,873,739.52 is: 12,598,204,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,178,515.52 : 42,038,409,590.88 = 8,399,873,739.52 : x
  2. Step 2: Convert to fraction form
    28,029,178,515.52/42,038,409,590.88 = 8,399,873,739.52/x
  3. Step 3: Cross multiply
    28,029,178,515.52x = 42,038,409,590.88 × 8,399,873,739.52
  4. Step 4: Simplify right side
    28,029,178,515.52x = 353,117,332,773,618,647,040
  5. Step 5: Solve for x
    x = 353,117,332,773,618,647,040/28,029,178,515.52
  6. Step 6: Final answer
    x = 12,598,204,852.06

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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.