Home / 53,279,182,631.49-79,928,853,493.75-21,410,336,413.05

Finding the Fourth Proportional to 53,279,182,631.49, 79,928,853,493.75 and 21,410,336,413.05

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Solution

The fourth proportional to 53,279,182,631.49, 79,928,853,493.75 and 21,410,336,413.05 is: 32,119,555,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,279,182,631.49 : 79,928,853,493.75 = 21,410,336,413.05 : x
  2. Step 2: Convert to fraction form
    53,279,182,631.49/79,928,853,493.75 = 21,410,336,413.05/x
  3. Step 3: Cross multiply
    53,279,182,631.49x = 79,928,853,493.75 × 21,410,336,413.05
  4. Step 4: Simplify right side
    53,279,182,631.49x = 1,711,303,642,410,626,842,624
  5. Step 5: Solve for x
    x = 1,711,303,642,410,626,842,624/53,279,182,631.49
  6. Step 6: Final answer
    x = 32,119,555,103.67

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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.