Finding the Fourth Proportional to 2,146,684,155,948.10, 3,219,787,571,408.30 and 768,232,537,147.60
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Solution
The fourth proportional to 2,146,684,155,948.10, 3,219,787,571,408.30 and 768,232,537,147.60 is: 1,152,263,395,714.52
Step by Step Solution
- Step 1: Write the proportion equation
2,146,684,155,948.10 : 3,219,787,571,408.30 = 768,232,537,147.60 : x - Step 2: Convert to fraction form
2,146,684,155,948.10/3,219,787,571,408.30 = 768,232,537,147.60/x - Step 3: Cross multiply
2,146,684,155,948.10x = 3,219,787,571,408.30 × 768,232,537,147.60 - Step 4: Simplify right side
2,146,684,155,948.10x = 2,473,545,575,059,307,368,546,304 - Step 5: Solve for x
x = 2,473,545,575,059,307,368,546,304/2,146,684,155,948.10 - Step 6: Final answer
x = 1,152,263,395,714.52
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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.