Finding the Fourth Proportional to 452,281,363.47, 677,835,505.98 and 203,102,629.20
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Solution
The fourth proportional to 452,281,363.47, 677,835,505.98 and 203,102,629.20 is: 304,390,550.99
Step by Step Solution
- Step 1: Write the proportion equation
452,281,363.47 : 677,835,505.98 = 203,102,629.20 : x - Step 2: Convert to fraction form
452,281,363.47/677,835,505.98 = 203,102,629.20/x - Step 3: Cross multiply
452,281,363.47x = 677,835,505.98 × 203,102,629.20 - Step 4: Simplify right side
452,281,363.47x = 137,670,173,429,650,320 - Step 5: Solve for x
x = 137,670,173,429,650,320/452,281,363.47 - Step 6: Final answer
x = 304,390,550.99
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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.