Finding the Fourth Proportional to 513,063,740.08, 769,860,201.48 and 240,462,201.52
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Solution
The fourth proportional to 513,063,740.08, 769,860,201.48 and 240,462,201.52 is: 360,817,310.69
Step by Step Solution
- Step 1: Write the proportion equation
513,063,740.08 : 769,860,201.48 = 240,462,201.52 : x - Step 2: Convert to fraction form
513,063,740.08/769,860,201.48 = 240,462,201.52/x - Step 3: Cross multiply
513,063,740.08x = 769,860,201.48 × 240,462,201.52 - Step 4: Simplify right side
513,063,740.08x = 185,122,278,910,511,584 - Step 5: Solve for x
x = 185,122,278,910,511,584/513,063,740.08 - Step 6: Final answer
x = 360,817,310.69
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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.