Home / 20,608,163,999.60-30,912,245,999.40-19,220,465,260.40

Finding the Fourth Proportional to 20,608,163,999.60, 30,912,245,999.40 and 19,220,465,260.40

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Solution

The fourth proportional to 20,608,163,999.60, 30,912,245,999.40 and 19,220,465,260.40 is: 28,830,697,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608,163,999.60 : 30,912,245,999.40 = 19,220,465,260.40 : x
  2. Step 2: Convert to fraction form
    20,608,163,999.60/30,912,245,999.40 = 19,220,465,260.40/x
  3. Step 3: Cross multiply
    20,608,163,999.60x = 30,912,245,999.40 × 19,220,465,260.40
  4. Step 4: Simplify right side
    20,608,163,999.60x = 594,147,750,352,406,708,224
  5. Step 5: Solve for x
    x = 594,147,750,352,406,708,224/20,608,163,999.60
  6. Step 6: Final answer
    x = 28,830,697,890.60

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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.