Finding the Fourth Proportional to 1,918,729,031.54, 2,647,864,318.30 and 1,125,788,501.66
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Solution
The fourth proportional to 1,918,729,031.54, 2,647,864,318.30 and 1,125,788,501.66 is: 1,553,598,843.03
Step by Step Solution
- Step 1: Write the proportion equation
1,918,729,031.54 : 2,647,864,318.30 = 1,125,788,501.66 : x - Step 2: Convert to fraction form
1,918,729,031.54/2,647,864,318.30 = 1,125,788,501.66/x - Step 3: Cross multiply
1,918,729,031.54x = 2,647,864,318.30 × 1,125,788,501.66 - Step 4: Simplify right side
1,918,729,031.54x = 2,980,935,203,497,934,848 - Step 5: Solve for x
x = 2,980,935,203,497,934,848/1,918,729,031.54 - Step 6: Final answer
x = 1,553,598,843.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.