Finding the Fourth Proportional to 2,129,602,807.98, 3,194,399,928.12 and 2,000,009,780.64
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Solution
The fourth proportional to 2,129,602,807.98, 3,194,399,928.12 and 2,000,009,780.64 is: 3,000,010,647.80
Step by Step Solution
- Step 1: Write the proportion equation
2,129,602,807.98 : 3,194,399,928.12 = 2,000,009,780.64 : x - Step 2: Convert to fraction form
2,129,602,807.98/3,194,399,928.12 = 2,000,009,780.64/x - Step 3: Cross multiply
2,129,602,807.98x = 3,194,399,928.12 × 2,000,009,780.64 - Step 4: Simplify right side
2,129,602,807.98x = 6,388,831,099,515,713,536 - Step 5: Solve for x
x = 6,388,831,099,515,713,536/2,129,602,807.98 - Step 6: Final answer
x = 3,000,010,647.80
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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.