Finding the Fourth Proportional to 938,957,832,146.70, 1,408,436,748,220 and 938,957,832,146.70
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Solution
The fourth proportional to 938,957,832,146.70, 1,408,436,748,220 and 938,957,832,146.70 is: 1,408,436,748,220.00
Step by Step Solution
- Step 1: Write the proportion equation
938,957,832,146.70 : 1,408,436,748,220 = 938,957,832,146.70 : x - Step 2: Convert to fraction form
938,957,832,146.70/1,408,436,748,220 = 938,957,832,146.70/x - Step 3: Cross multiply
938,957,832,146.70x = 1,408,436,748,220 × 938,957,832,146.70 - Step 4: Simplify right side
938,957,832,146.70x = 1,322,462,715,824,398,787,411,968 - Step 5: Solve for x
x = 1,322,462,715,824,398,787,411,968/938,957,832,146.70 - Step 6: Final answer
x = 1,408,436,748,220.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.