Finding the Fourth Proportional to 464,648,749.08, 641,261,594.61 and 346,969,775.55
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Solution
The fourth proportional to 464,648,749.08, 641,261,594.61 and 346,969,775.55 is: 478,852,879.71
Step by Step Solution
- Step 1: Write the proportion equation
464,648,749.08 : 641,261,594.61 = 346,969,775.55 : x - Step 2: Convert to fraction form
464,648,749.08/641,261,594.61 = 346,969,775.55/x - Step 3: Cross multiply
464,648,749.08x = 641,261,594.61 × 346,969,775.55 - Step 4: Simplify right side
464,648,749.08x = 222,498,391,550,666,816 - Step 5: Solve for x
x = 222,498,391,550,666,816/464,648,749.08 - Step 6: Final answer
x = 478,852,879.71
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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.