Finding the Fourth Proportional to 19,221,772,211.55, 26,528,733,006.44 and 13,886,593,776.99
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Solution
The fourth proportional to 19,221,772,211.55, 26,528,733,006.44 and 13,886,593,776.99 is: 19,165,440,866.96
Step by Step Solution
- Step 1: Write the proportion equation
19,221,772,211.55 : 26,528,733,006.44 = 13,886,593,776.99 : x - Step 2: Convert to fraction form
19,221,772,211.55/26,528,733,006.44 = 13,886,593,776.99/x - Step 3: Cross multiply
19,221,772,211.55x = 26,528,733,006.44 × 13,886,593,776.99 - Step 4: Simplify right side
19,221,772,211.55x = 368,393,738,678,589,521,920 - Step 5: Solve for x
x = 368,393,738,678,589,521,920/19,221,772,211.55 - Step 6: Final answer
x = 19,165,440,866.96
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1.5x scale
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.