Home / 28,562,359,622.40-42,843,539,433.60-25,460,444,793.60

Finding the Fourth Proportional to 28,562,359,622.40, 42,843,539,433.60 and 25,460,444,793.60

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Solution

The fourth proportional to 28,562,359,622.40, 42,843,539,433.60 and 25,460,444,793.60 is: 38,190,667,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562,359,622.40 : 42,843,539,433.60 = 25,460,444,793.60 : x
  2. Step 2: Convert to fraction form
    28,562,359,622.40/42,843,539,433.60 = 25,460,444,793.60/x
  3. Step 3: Cross multiply
    28,562,359,622.40x = 42,843,539,433.60 × 25,460,444,793.60
  4. Step 4: Simplify right side
    28,562,359,622.40x = 1,090,815,570,511,597,273,088
  5. Step 5: Solve for x
    x = 1,090,815,570,511,597,273,088/28,562,359,622.40
  6. Step 6: Final answer
    x = 38,190,667,190.40

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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.