Finding the Fourth Proportional to 1,174,686,468,894.80, 1,621,067,405,028.70 and 653,830,709,421.05
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Solution
The fourth proportional to 1,174,686,468,894.80, 1,621,067,405,028.70 and 653,830,709,421.05 is: 902,286,422,390.19
Step by Step Solution
- Step 1: Write the proportion equation
1,174,686,468,894.80 : 1,621,067,405,028.70 = 653,830,709,421.05 : x - Step 2: Convert to fraction form
1,174,686,468,894.80/1,621,067,405,028.70 = 653,830,709,421.05/x - Step 3: Cross multiply
1,174,686,468,894.80x = 1,621,067,405,028.70 × 653,830,709,421.05 - Step 4: Simplify right side
1,174,686,468,894.80x = 1,059,903,651,449,255,619,461,120 - Step 5: Solve for x
x = 1,059,903,651,449,255,619,461,120/1,174,686,468,894.80 - Step 6: Final answer
x = 902,286,422,390.19
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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.