Finding the Fourth Proportional to 526,852,349.03, 727,055,673.66 and 288,703,340.44
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Solution
The fourth proportional to 526,852,349.03, 727,055,673.66 and 288,703,340.44 is: 398,410,298.55
Step by Step Solution
- Step 1: Write the proportion equation
526,852,349.03 : 727,055,673.66 = 288,703,340.44 : x - Step 2: Convert to fraction form
526,852,349.03/727,055,673.66 = 288,703,340.44/x - Step 3: Cross multiply
526,852,349.03x = 727,055,673.66 × 288,703,340.44 - Step 4: Simplify right side
526,852,349.03x = 209,903,401,666,417,728 - Step 5: Solve for x
x = 209,903,401,666,417,728/526,852,349.03 - Step 6: Final answer
x = 398,410,298.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.