Finding the Fourth Proportional to 486,464,345.05, 730,860,619.61 and 311,929,332.63
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Solution
The fourth proportional to 486,464,345.05, 730,860,619.61 and 311,929,332.63 is: 468,640,441.26
Step by Step Solution
- Step 1: Write the proportion equation
486,464,345.05 : 730,860,619.61 = 311,929,332.63 : x - Step 2: Convert to fraction form
486,464,345.05/730,860,619.61 = 311,929,332.63/x - Step 3: Cross multiply
486,464,345.05x = 730,860,619.61 × 311,929,332.63 - Step 4: Simplify right side
486,464,345.05x = 227,976,865,320,495,584 - Step 5: Solve for x
x = 227,976,865,320,495,584/486,464,345.05 - Step 6: Final answer
x = 468,640,441.26
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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.