Finding the Fourth Proportional to 1,868,558,291.15, 2,577,395,432.49 and 1,198,441,914.08
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Solution
The fourth proportional to 1,868,558,291.15, 2,577,395,432.49 and 1,198,441,914.08 is: 1,653,070,567.87
Step by Step Solution
- Step 1: Write the proportion equation
1,868,558,291.15 : 2,577,395,432.49 = 1,198,441,914.08 : x - Step 2: Convert to fraction form
1,868,558,291.15/2,577,395,432.49 = 1,198,441,914.08/x - Step 3: Cross multiply
1,868,558,291.15x = 2,577,395,432.49 × 1,198,441,914.08 - Step 4: Simplify right side
1,868,558,291.15x = 3,088,858,715,454,364,672 - Step 5: Solve for x
x = 3,088,858,715,454,364,672/1,868,558,291.15 - Step 6: Final answer
x = 1,653,070,567.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.