Home / 1,277,050,286,241.20-1,915,580,399,142.40-308,957,173,511.07

Finding the Fourth Proportional to 1,277,050,286,241.20, 1,915,580,399,142.40 and 308,957,173,511.07

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Solution

The fourth proportional to 1,277,050,286,241.20, 1,915,580,399,142.40 and 308,957,173,511.07 is: 463,436,962,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,050,286,241.20 : 1,915,580,399,142.40 = 308,957,173,511.07 : x
  2. Step 2: Convert to fraction form
    1,277,050,286,241.20/1,915,580,399,142.40 = 308,957,173,511.07/x
  3. Step 3: Cross multiply
    1,277,050,286,241.20x = 1,915,580,399,142.40 × 308,957,173,511.07
  4. Step 4: Simplify right side
    1,277,050,286,241.20x = 591,832,305,752,243,173,326,848
  5. Step 5: Solve for x
    x = 591,832,305,752,243,173,326,848/1,277,050,286,241.20
  6. Step 6: Final answer
    x = 463,436,962,607.17

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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.