Finding the Fourth Proportional to 636,965,732,917.99, 879,012,677,805.45 and 343,990,627,544.65
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Solution
The fourth proportional to 636,965,732,917.99, 879,012,677,805.45 and 343,990,627,544.65 is: 474,707,047,854.54
Step by Step Solution
- Step 1: Write the proportion equation
636,965,732,917.99 : 879,012,677,805.45 = 343,990,627,544.65 : x - Step 2: Convert to fraction form
636,965,732,917.99/879,012,677,805.45 = 343,990,627,544.65/x - Step 3: Cross multiply
636,965,732,917.99x = 879,012,677,805.45 × 343,990,627,544.65 - Step 4: Simplify right side
636,965,732,917.99x = 302,372,122,657,999,984,525,312 - Step 5: Solve for x
x = 302,372,122,657,999,984,525,312/636,965,732,917.99 - Step 6: Final answer
x = 474,707,047,854.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.