Finding the Fourth Proportional to 437,917,117.97, 604,301,034.78 and 239,678,208.83
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Solution
The fourth proportional to 437,917,117.97, 604,301,034.78 and 239,678,208.83 is: 330,742,470.82
Step by Step Solution
- Step 1: Write the proportion equation
437,917,117.97 : 604,301,034.78 = 239,678,208.83 : x - Step 2: Convert to fraction form
437,917,117.97/604,301,034.78 = 239,678,208.83/x - Step 3: Cross multiply
437,917,117.97x = 604,301,034.78 × 239,678,208.83 - Step 4: Simplify right side
437,917,117.97x = 144,837,789,610,185,920 - Step 5: Solve for x
x = 144,837,789,610,185,920/437,917,117.97 - Step 6: Final answer
x = 330,742,470.82
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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.