Finding the Fourth Proportional to 348,478,307.99, 480,928,174.63 and 199,813,260.23
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Solution
The fourth proportional to 348,478,307.99, 480,928,174.63 and 199,813,260.23 is: 275,758,416.82
Step by Step Solution
- Step 1: Write the proportion equation
348,478,307.99 : 480,928,174.63 = 199,813,260.23 : x - Step 2: Convert to fraction form
348,478,307.99/480,928,174.63 = 199,813,260.23/x - Step 3: Cross multiply
348,478,307.99x = 480,928,174.63 × 199,813,260.23 - Step 4: Simplify right side
348,478,307.99x = 96,095,826,506,378,896 - Step 5: Solve for x
x = 96,095,826,506,378,896/348,478,307.99 - Step 6: Final answer
x = 275,758,416.82
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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.