Finding the Fourth Proportional to 316,913,404.80, 475,370,107.20 and 276,602,620.80
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Solution
The fourth proportional to 316,913,404.80, 475,370,107.20 and 276,602,620.80 is: 414,903,931.20
Step by Step Solution
- Step 1: Write the proportion equation
316,913,404.80 : 475,370,107.20 = 276,602,620.80 : x - Step 2: Convert to fraction form
316,913,404.80/475,370,107.20 = 276,602,620.80/x - Step 3: Cross multiply
316,913,404.80x = 475,370,107.20 × 276,602,620.80 - Step 4: Simplify right side
316,913,404.80x = 131,488,617,501,496,960 - Step 5: Solve for x
x = 131,488,617,501,496,960/316,913,404.80 - Step 6: Final answer
x = 414,903,931.20
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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.