Home / 7,112,502,881.75-10,664,618,879.78-2,691,263,848.51

Finding the Fourth Proportional to 7,112,502,881.75, 10,664,618,879.78 and 2,691,263,848.51

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Solution

The fourth proportional to 7,112,502,881.75, 10,664,618,879.78 and 2,691,263,848.51 is: 4,035,330,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,502,881.75 : 10,664,618,879.78 = 2,691,263,848.51 : x
  2. Step 2: Convert to fraction form
    7,112,502,881.75/10,664,618,879.78 = 2,691,263,848.51/x
  3. Step 3: Cross multiply
    7,112,502,881.75x = 10,664,618,879.78 × 2,691,263,848.51
  4. Step 4: Simplify right side
    7,112,502,881.75x = 28,701,303,249,300,299,776
  5. Step 5: Solve for x
    x = 28,701,303,249,300,299,776/7,112,502,881.75
  6. Step 6: Final answer
    x = 4,035,330,983.55

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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.