Finding the Fourth Proportional to 8,172,963,901.54, 11,278,689,752.43 and 4,413,774,106.99
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Solution
The fourth proportional to 8,172,963,901.54, 11,278,689,752.43 and 4,413,774,106.99 is: 6,091,008,034.51
Step by Step Solution
- Step 1: Write the proportion equation
8,172,963,901.54 : 11,278,689,752.43 = 4,413,774,106.99 : x - Step 2: Convert to fraction form
8,172,963,901.54/11,278,689,752.43 = 4,413,774,106.99/x - Step 3: Cross multiply
8,172,963,901.54x = 11,278,689,752.43 × 4,413,774,106.99 - Step 4: Simplify right side
8,172,963,901.54x = 49,781,588,790,063,644,672 - Step 5: Solve for x
x = 49,781,588,790,063,644,672/8,172,963,901.54 - Step 6: Final answer
x = 6,091,008,034.51
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1.5x scale
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.