Home / 20,155,446,114.80-30,233,169,172.20-18,563,674,031.60

Finding the Fourth Proportional to 20,155,446,114.80, 30,233,169,172.20 and 18,563,674,031.60

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Solution

The fourth proportional to 20,155,446,114.80, 30,233,169,172.20 and 18,563,674,031.60 is: 27,845,511,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,446,114.80 : 30,233,169,172.20 = 18,563,674,031.60 : x
  2. Step 2: Convert to fraction form
    20,155,446,114.80/30,233,169,172.20 = 18,563,674,031.60/x
  3. Step 3: Cross multiply
    20,155,446,114.80x = 30,233,169,172.20 × 18,563,674,031.60
  4. Step 4: Simplify right side
    20,155,446,114.80x = 561,238,697,454,938,750,976
  5. Step 5: Solve for x
    x = 561,238,697,454,938,750,976/20,155,446,114.80
  6. Step 6: Final answer
    x = 27,845,511,047.40

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Double scale
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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.