Finding the Fourth Proportional to 921,622,669.74, 1,382,435,335.08 and 376,364,203.74
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Solution
The fourth proportional to 921,622,669.74, 1,382,435,335.08 and 376,364,203.74 is: 564,546,848.94
Step by Step Solution
- Step 1: Write the proportion equation
921,622,669.74 : 1,382,435,335.08 = 376,364,203.74 : x - Step 2: Convert to fraction form
921,622,669.74/1,382,435,335.08 = 376,364,203.74/x - Step 3: Cross multiply
921,622,669.74x = 1,382,435,335.08 × 376,364,203.74 - Step 4: Simplify right side
921,622,669.74x = 520,299,174,109,424,256 - Step 5: Solve for x
x = 520,299,174,109,424,256/921,622,669.74 - Step 6: Final answer
x = 564,546,848.94
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1.5x scale
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.