Home / 28,973,375,999.40-43,460,063,999.10-20,157,407,538.60

Finding the Fourth Proportional to 28,973,375,999.40, 43,460,063,999.10 and 20,157,407,538.60

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Solution

The fourth proportional to 28,973,375,999.40, 43,460,063,999.10 and 20,157,407,538.60 is: 30,236,111,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,375,999.40 : 43,460,063,999.10 = 20,157,407,538.60 : x
  2. Step 2: Convert to fraction form
    28,973,375,999.40/43,460,063,999.10 = 20,157,407,538.60/x
  3. Step 3: Cross multiply
    28,973,375,999.40x = 43,460,063,999.10 × 20,157,407,538.60
  4. Step 4: Simplify right side
    28,973,375,999.40x = 876,042,221,683,496,714,240
  5. Step 5: Solve for x
    x = 876,042,221,683,496,714,240/28,973,375,999.40
  6. Step 6: Final answer
    x = 30,236,111,307.90

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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.