Home / 28,973,376,555.60-43,460,064,833.40-20,157,408,094.80

Finding the Fourth Proportional to 28,973,376,555.60, 43,460,064,833.40 and 20,157,408,094.80

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Solution

The fourth proportional to 28,973,376,555.60, 43,460,064,833.40 and 20,157,408,094.80 is: 30,236,112,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,376,555.60 : 43,460,064,833.40 = 20,157,408,094.80 : x
  2. Step 2: Convert to fraction form
    28,973,376,555.60/43,460,064,833.40 = 20,157,408,094.80/x
  3. Step 3: Cross multiply
    28,973,376,555.60x = 43,460,064,833.40 × 20,157,408,094.80
  4. Step 4: Simplify right side
    28,973,376,555.60x = 876,042,262,673,309,958,144
  5. Step 5: Solve for x
    x = 876,042,262,673,309,958,144/28,973,376,555.60
  6. Step 6: Final answer
    x = 30,236,112,142.20

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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.