Finding the Fourth Proportional to 944,918,921.08, 1,418,101,821.78 and 427,712,575.96
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Solution
The fourth proportional to 944,918,921.08, 1,418,101,821.78 and 427,712,575.96 is: 641,896,325.32
Step by Step Solution
- Step 1: Write the proportion equation
944,918,921.08 : 1,418,101,821.78 = 427,712,575.96 : x - Step 2: Convert to fraction form
944,918,921.08/1,418,101,821.78 = 427,712,575.96/x - Step 3: Cross multiply
944,918,921.08x = 1,418,101,821.78 × 427,712,575.96 - Step 4: Simplify right side
944,918,921.08x = 606,539,983,167,092,608 - Step 5: Solve for x
x = 606,539,983,167,092,608/944,918,921.08 - Step 6: Final answer
x = 641,896,325.32
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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.