Finding the Fourth Proportional to 486,464,365.39, 730,860,650.48 and 311,929,352.95
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Solution
The fourth proportional to 486,464,365.39, 730,860,650.48 and 311,929,352.95 is: 468,640,471.99
Step by Step Solution
- Step 1: Write the proportion equation
486,464,365.39 : 730,860,650.48 = 311,929,352.95 : x - Step 2: Convert to fraction form
486,464,365.39/730,860,650.48 = 311,929,352.95/x - Step 3: Cross multiply
486,464,365.39x = 730,860,650.48 × 311,929,352.95 - Step 4: Simplify right side
486,464,365.39x = 227,976,889,800,842,496 - Step 5: Solve for x
x = 227,976,889,800,842,496/486,464,365.39 - Step 6: Final answer
x = 468,640,471.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.