Finding the Fourth Proportional to 7,115,095,939.92, 9,818,833,327.80 and 3,943,484,616.84
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Solution
The fourth proportional to 7,115,095,939.92, 9,818,833,327.80 and 3,943,484,616.84 is: 5,442,009,287.08
Step by Step Solution
- Step 1: Write the proportion equation
7,115,095,939.92 : 9,818,833,327.80 = 3,943,484,616.84 : x - Step 2: Convert to fraction form
7,115,095,939.92/9,818,833,327.80 = 3,943,484,616.84/x - Step 3: Cross multiply
7,115,095,939.92x = 9,818,833,327.80 × 3,943,484,616.84 - Step 4: Simplify right side
7,115,095,939.92x = 38,720,418,183,495,204,864 - Step 5: Solve for x
x = 38,720,418,183,495,204,864/7,115,095,939.92 - Step 6: Final answer
x = 5,442,009,287.08
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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.