Finding the Fourth Proportional to 504,604,552.35, 696,354,308.42 and 278,543,595.84
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Solution
The fourth proportional to 504,604,552.35, 696,354,308.42 and 278,543,595.84 is: 384,390,176.71
Step by Step Solution
- Step 1: Write the proportion equation
504,604,552.35 : 696,354,308.42 = 278,543,595.84 : x - Step 2: Convert to fraction form
504,604,552.35/696,354,308.42 = 278,543,595.84/x - Step 3: Cross multiply
504,604,552.35x = 696,354,308.42 × 278,543,595.84 - Step 4: Simplify right side
504,604,552.35x = 193,965,033,047,470,624 - Step 5: Solve for x
x = 193,965,033,047,470,624/504,604,552.35 - Step 6: Final answer
x = 384,390,176.71
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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.