Finding the Fourth Proportional to 7,591,260,112.84, 11,387,643,547.02 and 2,806,417,148.68
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Solution
The fourth proportional to 7,591,260,112.84, 11,387,643,547.02 and 2,806,417,148.68 is: 4,209,904,239.66
Step by Step Solution
- Step 1: Write the proportion equation
7,591,260,112.84 : 11,387,643,547.02 = 2,806,417,148.68 : x - Step 2: Convert to fraction form
7,591,260,112.84/11,387,643,547.02 = 2,806,417,148.68/x - Step 3: Cross multiply
7,591,260,112.84x = 11,387,643,547.02 × 2,806,417,148.68 - Step 4: Simplify right side
7,591,260,112.84x = 31,958,478,133,412,069,376 - Step 5: Solve for x
x = 31,958,478,133,412,069,376/7,591,260,112.84 - Step 6: Final answer
x = 4,209,904,239.66
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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.