Home / 20,129,148,300.60-30,193,722,450.90-17,029,784,388.60

Finding the Fourth Proportional to 20,129,148,300.60, 30,193,722,450.90 and 17,029,784,388.60

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Solution

The fourth proportional to 20,129,148,300.60, 30,193,722,450.90 and 17,029,784,388.60 is: 25,544,676,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129,148,300.60 : 30,193,722,450.90 = 17,029,784,388.60 : x
  2. Step 2: Convert to fraction form
    20,129,148,300.60/30,193,722,450.90 = 17,029,784,388.60/x
  3. Step 3: Cross multiply
    20,129,148,300.60x = 30,193,722,450.90 × 17,029,784,388.60
  4. Step 4: Simplify right side
    20,129,148,300.60x = 514,192,583,228,058,173,440
  5. Step 5: Solve for x
    x = 514,192,583,228,058,173,440/20,129,148,300.60
  6. Step 6: Final answer
    x = 25,544,676,582.90

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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.