Finding the Fourth Proportional to 1,858,406,619.07, 2,787,597,528.04 and 752,995,167.31
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Solution
The fourth proportional to 1,858,406,619.07, 2,787,597,528.04 and 752,995,167.31 is: 1,129,487,726.46
Step by Step Solution
- Step 1: Write the proportion equation
1,858,406,619.07 : 2,787,597,528.04 = 752,995,167.31 : x - Step 2: Convert to fraction form
1,858,406,619.07/2,787,597,528.04 = 752,995,167.31/x - Step 3: Cross multiply
1,858,406,619.07x = 2,787,597,528.04 × 752,995,167.31 - Step 4: Simplify right side
1,858,406,619.07x = 2,099,047,467,001,719,040 - Step 5: Solve for x
x = 2,099,047,467,001,719,040/1,858,406,619.07 - Step 6: Final answer
x = 1,129,487,726.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.