Finding the Fourth Proportional to 10,257,523,886.36, 14,155,236,557.08 and 5,679,350,781
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Solution
The fourth proportional to 10,257,523,886.36, 14,155,236,557.08 and 5,679,350,781 is: 7,837,423,016.15
Step by Step Solution
- Step 1: Write the proportion equation
10,257,523,886.36 : 14,155,236,557.08 = 5,679,350,781 : x - Step 2: Convert to fraction form
10,257,523,886.36/14,155,236,557.08 = 5,679,350,781/x - Step 3: Cross multiply
10,257,523,886.36x = 14,155,236,557.08 × 5,679,350,781 - Step 4: Simplify right side
10,257,523,886.36x = 80,392,553,795,692,052,480 - Step 5: Solve for x
x = 80,392,553,795,692,052,480/10,257,523,886.36 - Step 6: Final answer
x = 7,837,423,016.15
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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.