Home / 28,695,168,015.80-43,042,752,023.70-20,858,751,606.20

Finding the Fourth Proportional to 28,695,168,015.80, 43,042,752,023.70 and 20,858,751,606.20

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Solution

The fourth proportional to 28,695,168,015.80, 43,042,752,023.70 and 20,858,751,606.20 is: 31,288,127,409.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695,168,015.80 : 43,042,752,023.70 = 20,858,751,606.20 : x
  2. Step 2: Convert to fraction form
    28,695,168,015.80/43,042,752,023.70 = 20,858,751,606.20/x
  3. Step 3: Cross multiply
    28,695,168,015.80x = 43,042,752,023.70 × 20,858,751,606.20
  4. Step 4: Simplify right side
    28,695,168,015.80x = 897,818,072,909,620,707,328
  5. Step 5: Solve for x
    x = 897,818,072,909,620,707,328/28,695,168,015.80
  6. Step 6: Final answer
    x = 31,288,127,409.30

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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.