Finding the Fourth Proportional to 7,963,865,528,448.40, 10,990,017,468,295 and 4,448,215,908,555.40
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Solution
The fourth proportional to 7,963,865,528,448.40, 10,990,017,468,295 and 4,448,215,908,555.40 is: 6,138,472,625,277.49
Step by Step Solution
- Step 1: Write the proportion equation
7,963,865,528,448.40 : 10,990,017,468,295 = 4,448,215,908,555.40 : x - Step 2: Convert to fraction form
7,963,865,528,448.40/10,990,017,468,295 = 4,448,215,908,555.40/x - Step 3: Cross multiply
7,963,865,528,448.40x = 10,990,017,468,295 × 4,448,215,908,555.40 - Step 4: Simplify right side
7,963,865,528,448.40x = 48,885,970,537,771,562,078,044,160 - Step 5: Solve for x
x = 48,885,970,537,771,562,078,044,160/7,963,865,528,448.40 - Step 6: Final answer
x = 6,138,472,625,277.49
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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.