Finding the Fourth Proportional to 5,438,444,599.84, 8,157,664,979.61 and 1,454,425,171.92
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Solution
The fourth proportional to 5,438,444,599.84, 8,157,664,979.61 and 1,454,425,171.92 is: 2,181,637,244.36
Step by Step Solution
- Step 1: Write the proportion equation
5,438,444,599.84 : 8,157,664,979.61 = 1,454,425,171.92 : x - Step 2: Convert to fraction form
5,438,444,599.84/8,157,664,979.61 = 1,454,425,171.92/x - Step 3: Cross multiply
5,438,444,599.84x = 8,157,664,979.61 × 1,454,425,171.92 - Step 4: Simplify right side
5,438,444,599.84x = 11,864,713,290,386,976,768 - Step 5: Solve for x
x = 11,864,713,290,386,976,768/5,438,444,599.84 - Step 6: Final answer
x = 2,181,637,244.36
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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.