Home / 20,190,386,073.20-30,285,579,109.80-20,190,386,073.20

Finding the Fourth Proportional to 20,190,386,073.20, 30,285,579,109.80 and 20,190,386,073.20

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Solution

The fourth proportional to 20,190,386,073.20, 30,285,579,109.80 and 20,190,386,073.20 is: 30,285,579,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,386,073.20 : 30,285,579,109.80 = 20,190,386,073.20 : x
  2. Step 2: Convert to fraction form
    20,190,386,073.20/30,285,579,109.80 = 20,190,386,073.20/x
  3. Step 3: Cross multiply
    20,190,386,073.20x = 30,285,579,109.80 × 20,190,386,073.20
  4. Step 4: Simplify right side
    20,190,386,073.20x = 611,477,534,677,302,771,712
  5. Step 5: Solve for x
    x = 611,477,534,677,302,771,712/20,190,386,073.20
  6. Step 6: Final answer
    x = 30,285,579,109.80

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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.