Finding the Fourth Proportional to 7,535,921,578.98, 10,399,381,705.38 and 4,148,797,053.90
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Solution
The fourth proportional to 7,535,921,578.98, 10,399,381,705.38 and 4,148,797,053.90 is: 5,725,235,291.99
Step by Step Solution
- Step 1: Write the proportion equation
7,535,921,578.98 : 10,399,381,705.38 = 4,148,797,053.90 : x - Step 2: Convert to fraction form
7,535,921,578.98/10,399,381,705.38 = 4,148,797,053.90/x - Step 3: Cross multiply
7,535,921,578.98x = 10,399,381,705.38 × 4,148,797,053.90 - Step 4: Simplify right side
7,535,921,578.98x = 43,144,924,181,662,097,408 - Step 5: Solve for x
x = 43,144,924,181,662,097,408/7,535,921,578.98 - Step 6: Final answer
x = 5,725,235,291.99
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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.