Home / 1,661,433,906.78-2,293,484,761.08-1,035,211,738.50

Finding the Fourth Proportional to 1,661,433,906.78, 2,293,484,761.08 and 1,035,211,738.50

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Solution

The fourth proportional to 1,661,433,906.78, 2,293,484,761.08 and 1,035,211,738.50 is: 1,429,032,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,433,906.78 : 2,293,484,761.08 = 1,035,211,738.50 : x
  2. Step 2: Convert to fraction form
    1,661,433,906.78/2,293,484,761.08 = 1,035,211,738.50/x
  3. Step 3: Cross multiply
    1,661,433,906.78x = 2,293,484,761.08 × 1,035,211,738.50
  4. Step 4: Simplify right side
    1,661,433,906.78x = 2,374,242,346,740,883,968
  5. Step 5: Solve for x
    x = 2,374,242,346,740,883,968/1,661,433,906.78
  6. Step 6: Final answer
    x = 1,429,032,077.08

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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.