Finding the Fourth Proportional to 313,352,330.24, 432,465,980.64 and 189,594,024.32
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Solution
The fourth proportional to 313,352,330.24, 432,465,980.64 and 189,594,024.32 is: 261,663,813.34
Step by Step Solution
- Step 1: Write the proportion equation
313,352,330.24 : 432,465,980.64 = 189,594,024.32 : x - Step 2: Convert to fraction form
313,352,330.24/432,465,980.64 = 189,594,024.32/x - Step 3: Cross multiply
313,352,330.24x = 432,465,980.64 × 189,594,024.32 - Step 4: Simplify right side
313,352,330.24x = 81,992,965,651,032,800 - Step 5: Solve for x
x = 81,992,965,651,032,800/313,352,330.24 - Step 6: Final answer
x = 261,663,813.34
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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.