Home / 20,997,571,248-28,962,994,884.48-13,467,264,854.40

Finding the Fourth Proportional to 20,997,571,248, 28,962,994,884.48 and 13,467,264,854.40

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Solution

The fourth proportional to 20,997,571,248, 28,962,994,884.48 and 13,467,264,854.40 is: 18,576,068,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,571,248 : 28,962,994,884.48 = 13,467,264,854.40 : x
  2. Step 2: Convert to fraction form
    20,997,571,248/28,962,994,884.48 = 13,467,264,854.40/x
  3. Step 3: Cross multiply
    20,997,571,248x = 28,962,994,884.48 × 13,467,264,854.40
  4. Step 4: Simplify right side
    20,997,571,248x = 390,052,323,085,924,499,456
  5. Step 5: Solve for x
    x = 390,052,323,085,924,499,456/20,997,571,248
  6. Step 6: Final answer
    x = 18,576,068,559.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.