Finding the Fourth Proportional to 4,159,625,921.28, 6,239,438,503.12 and 1,830,562,902.80
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Solution
The fourth proportional to 4,159,625,921.28, 6,239,438,503.12 and 1,830,562,902.80 is: 2,745,844,187.50
Step by Step Solution
- Step 1: Write the proportion equation
4,159,625,921.28 : 6,239,438,503.12 = 1,830,562,902.80 : x - Step 2: Convert to fraction form
4,159,625,921.28/6,239,438,503.12 = 1,830,562,902.80/x - Step 3: Cross multiply
4,159,625,921.28x = 6,239,438,503.12 × 1,830,562,902.80 - Step 4: Simplify right side
4,159,625,921.28x = 11,421,684,658,113,433,600 - Step 5: Solve for x
x = 11,421,684,658,113,433,600/4,159,625,921.28 - Step 6: Final answer
x = 2,745,844,187.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.