Finding the Fourth Proportional to 1,548,686,486.49, 2,137,160,442.72 and 843,844,259.80
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Solution
The fourth proportional to 1,548,686,486.49, 2,137,160,442.72 and 843,844,259.80 is: 1,164,490,416.62
Step by Step Solution
- Step 1: Write the proportion equation
1,548,686,486.49 : 2,137,160,442.72 = 843,844,259.80 : x - Step 2: Convert to fraction form
1,548,686,486.49/2,137,160,442.72 = 843,844,259.80/x - Step 3: Cross multiply
1,548,686,486.49x = 2,137,160,442.72 × 843,844,259.80 - Step 4: Simplify right side
1,548,686,486.49x = 1,803,430,571,860,898,560 - Step 5: Solve for x
x = 1,803,430,571,860,898,560/1,548,686,486.49 - Step 6: Final answer
x = 1,164,490,416.62
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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.