Finding the Fourth Proportional to 664,317,702.90, 996,476,554.35 and 358,207,686.90
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Solution
The fourth proportional to 664,317,702.90, 996,476,554.35 and 358,207,686.90 is: 537,311,530.35
Step by Step Solution
- Step 1: Write the proportion equation
664,317,702.90 : 996,476,554.35 = 358,207,686.90 : x - Step 2: Convert to fraction form
664,317,702.90/996,476,554.35 = 358,207,686.90/x - Step 3: Cross multiply
664,317,702.90x = 996,476,554.35 × 358,207,686.90 - Step 4: Simplify right side
664,317,702.90x = 356,945,561,583,795,648 - Step 5: Solve for x
x = 356,945,561,583,795,648/664,317,702.90 - Step 6: Final answer
x = 537,311,530.35
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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.