Finding the Fourth Proportional to 1,295,464,273,197.60, 1,787,796,893,319.20 and 717,400,791,974.68
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Solution
The fourth proportional to 1,295,464,273,197.60, 1,787,796,893,319.20 and 717,400,791,974.68 is: 990,044,213,254.37
Step by Step Solution
- Step 1: Write the proportion equation
1,295,464,273,197.60 : 1,787,796,893,319.20 = 717,400,791,974.68 : x - Step 2: Convert to fraction form
1,295,464,273,197.60/1,787,796,893,319.20 = 717,400,791,974.68/x - Step 3: Cross multiply
1,295,464,273,197.60x = 1,787,796,893,319.20 × 717,400,791,974.68 - Step 4: Simplify right side
1,295,464,273,197.60x = 1,282,566,907,157,066,691,903,488 - Step 5: Solve for x
x = 1,282,566,907,157,066,691,903,488/1,295,464,273,197.60 - Step 6: Final answer
x = 990,044,213,254.37
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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.