Finding the Fourth Proportional to 516,163,370.05, 712,390,877.14 and 304,521,942.93
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Solution
The fourth proportional to 516,163,370.05, 712,390,877.14 and 304,521,942.93 is: 420,290,680.46
Step by Step Solution
- Step 1: Write the proportion equation
516,163,370.05 : 712,390,877.14 = 304,521,942.93 : x - Step 2: Convert to fraction form
516,163,370.05/712,390,877.14 = 304,521,942.93/x - Step 3: Cross multiply
516,163,370.05x = 712,390,877.14 × 304,521,942.93 - Step 4: Simplify right side
516,163,370.05x = 216,938,654,029,410,336 - Step 5: Solve for x
x = 216,938,654,029,410,336/516,163,370.05 - Step 6: Final answer
x = 420,290,680.46
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1.5x scale
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.