Home / 28,164,671,998.80-42,247,007,998.20-14,184,892,107.60

Finding the Fourth Proportional to 28,164,671,998.80, 42,247,007,998.20 and 14,184,892,107.60

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Solution

The fourth proportional to 28,164,671,998.80, 42,247,007,998.20 and 14,184,892,107.60 is: 21,277,338,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164,671,998.80 : 42,247,007,998.20 = 14,184,892,107.60 : x
  2. Step 2: Convert to fraction form
    28,164,671,998.80/42,247,007,998.20 = 14,184,892,107.60/x
  3. Step 3: Cross multiply
    28,164,671,998.80x = 42,247,007,998.20 × 14,184,892,107.60
  4. Step 4: Simplify right side
    28,164,671,998.80x = 599,269,250,323,381,223,424
  5. Step 5: Solve for x
    x = 599,269,250,323,381,223,424/28,164,671,998.80
  6. Step 6: Final answer
    x = 21,277,338,161.40

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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.