Home / 87,863,615,999.60-131,795,423,999.40-28,972,583,884.40

Finding the Fourth Proportional to 87,863,615,999.60, 131,795,423,999.40 and 28,972,583,884.40

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Solution

The fourth proportional to 87,863,615,999.60, 131,795,423,999.40 and 28,972,583,884.40 is: 43,458,875,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863,615,999.60 : 131,795,423,999.40 = 28,972,583,884.40 : x
  2. Step 2: Convert to fraction form
    87,863,615,999.60/131,795,423,999.40 = 28,972,583,884.40/x
  3. Step 3: Cross multiply
    87,863,615,999.60x = 131,795,423,999.40 × 28,972,583,884.40
  4. Step 4: Simplify right side
    87,863,615,999.60x = 3,818,453,977,402,681,327,616
  5. Step 5: Solve for x
    x = 3,818,453,977,402,681,327,616/87,863,615,999.60
  6. Step 6: Final answer
    x = 43,458,875,826.60

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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.