Finding the Fourth Proportional to 7,524,620,962.06, 10,384,276,125.65 and 4,137,807,920.98
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Solution
The fourth proportional to 7,524,620,962.06, 10,384,276,125.65 and 4,137,807,920.98 is: 5,710,339,460.69
Step by Step Solution
- Step 1: Write the proportion equation
7,524,620,962.06 : 10,384,276,125.65 = 4,137,807,920.98 : x - Step 2: Convert to fraction form
7,524,620,962.06/10,384,276,125.65 = 4,137,807,920.98/x - Step 3: Cross multiply
7,524,620,962.06x = 10,384,276,125.65 × 4,137,807,920.98 - Step 4: Simplify right side
7,524,620,962.06x = 42,968,140,006,358,073,344 - Step 5: Solve for x
x = 42,968,140,006,358,073,344/7,524,620,962.06 - Step 6: Final answer
x = 5,710,339,460.69
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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.