Home / 5,180,769,441.54-7,771,698,767.43-1,687,447,134.18

Finding the Fourth Proportional to 5,180,769,441.54, 7,771,698,767.43 and 1,687,447,134.18

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Solution

The fourth proportional to 5,180,769,441.54, 7,771,698,767.43 and 1,687,447,134.18 is: 2,531,348,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,769,441.54 : 7,771,698,767.43 = 1,687,447,134.18 : x
  2. Step 2: Convert to fraction form
    5,180,769,441.54/7,771,698,767.43 = 1,687,447,134.18/x
  3. Step 3: Cross multiply
    5,180,769,441.54x = 7,771,698,767.43 × 1,687,447,134.18
  4. Step 4: Simplify right side
    5,180,769,441.54x = 13,114,330,812,809,992,192
  5. Step 5: Solve for x
    x = 13,114,330,812,809,992,192/5,180,769,441.54
  6. Step 6: Final answer
    x = 2,531,348,086.57

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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.