Finding the Fourth Proportional to 4,639,272,009.66, 6,403,544,448.78 and 3,031,968,796.74
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Solution
The fourth proportional to 4,639,272,009.66, 6,403,544,448.78 and 3,031,968,796.74 is: 4,184,998,619.79
Step by Step Solution
- Step 1: Write the proportion equation
4,639,272,009.66 : 6,403,544,448.78 = 3,031,968,796.74 : x - Step 2: Convert to fraction form
4,639,272,009.66/6,403,544,448.78 = 3,031,968,796.74/x - Step 3: Cross multiply
4,639,272,009.66x = 6,403,544,448.78 × 3,031,968,796.74 - Step 4: Simplify right side
4,639,272,009.66x = 19,415,346,957,238,599,680 - Step 5: Solve for x
x = 19,415,346,957,238,599,680/4,639,272,009.66 - Step 6: Final answer
x = 4,184,998,619.79
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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.