Finding the Fourth Proportional to 2,099,739,349.92, 2,897,728,332.84 and 1,207,666,325.28
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Solution
The fourth proportional to 2,099,739,349.92, 2,897,728,332.84 and 1,207,666,325.28 is: 1,666,630,159.36
Step by Step Solution
- Step 1: Write the proportion equation
2,099,739,349.92 : 2,897,728,332.84 = 1,207,666,325.28 : x - Step 2: Convert to fraction form
2,099,739,349.92/2,897,728,332.84 = 1,207,666,325.28/x - Step 3: Cross multiply
2,099,739,349.92x = 2,897,728,332.84 × 1,207,666,325.28 - Step 4: Simplify right side
2,099,739,349.92x = 3,499,488,927,380,623,872 - Step 5: Solve for x
x = 3,499,488,927,380,623,872/2,099,739,349.92 - Step 6: Final answer
x = 1,666,630,159.36
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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.