Finding the Fourth Proportional to 403,398,201.70, 605,097,302.55 and 346,002,573.70
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Solution
The fourth proportional to 403,398,201.70, 605,097,302.55 and 346,002,573.70 is: 519,003,860.55
Step by Step Solution
- Step 1: Write the proportion equation
403,398,201.70 : 605,097,302.55 = 346,002,573.70 : x - Step 2: Convert to fraction form
403,398,201.70/605,097,302.55 = 346,002,573.70/x - Step 3: Cross multiply
403,398,201.70x = 605,097,302.55 × 346,002,573.70 - Step 4: Simplify right side
403,398,201.70x = 209,365,224,021,227,552 - Step 5: Solve for x
x = 209,365,224,021,227,552/403,398,201.70 - Step 6: Final answer
x = 519,003,860.55
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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.