Finding the Fourth Proportional to 10,346,608,988.88, 14,278,326,660 and 5,588,886,965.49
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Solution
The fourth proportional to 10,346,608,988.88, 14,278,326,660 and 5,588,886,965.49 is: 7,712,667,391.30
Step by Step Solution
- Step 1: Write the proportion equation
10,346,608,988.88 : 14,278,326,660 = 5,588,886,965.49 : x - Step 2: Convert to fraction form
10,346,608,988.88/14,278,326,660 = 5,588,886,965.49/x - Step 3: Cross multiply
10,346,608,988.88x = 14,278,326,660 × 5,588,886,965.49 - Step 4: Simplify right side
10,346,608,988.88x = 79,799,953,759,082,364,928 - Step 5: Solve for x
x = 79,799,953,759,082,364,928/10,346,608,988.88 - Step 6: Final answer
x = 7,712,667,391.30
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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.