Finding the Fourth Proportional to 356,569,813.30, 534,854,719.95 and 325,958,811.70
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Solution
The fourth proportional to 356,569,813.30, 534,854,719.95 and 325,958,811.70 is: 488,938,217.55
Step by Step Solution
- Step 1: Write the proportion equation
356,569,813.30 : 534,854,719.95 = 325,958,811.70 : x - Step 2: Convert to fraction form
356,569,813.30/534,854,719.95 = 325,958,811.70/x - Step 3: Cross multiply
356,569,813.30x = 534,854,719.95 × 325,958,811.70 - Step 4: Simplify right side
356,569,813.30x = 174,340,608,947,038,272 - Step 5: Solve for x
x = 174,340,608,947,038,272/356,569,813.30 - Step 6: Final answer
x = 488,938,217.55
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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.