Finding the Fourth Proportional to 739,262,732.64, 1,020,190,633.21 and 409,243,382.88
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Solution
The fourth proportional to 739,262,732.64, 1,020,190,633.21 and 409,243,382.88 is: 564,760,331.45
Step by Step Solution
- Step 1: Write the proportion equation
739,262,732.64 : 1,020,190,633.21 = 409,243,382.88 : x - Step 2: Convert to fraction form
739,262,732.64/1,020,190,633.21 = 409,243,382.88/x - Step 3: Cross multiply
739,262,732.64x = 1,020,190,633.21 × 409,243,382.88 - Step 4: Simplify right side
739,262,732.64x = 417,506,265,917,349,696 - Step 5: Solve for x
x = 417,506,265,917,349,696/739,262,732.64 - Step 6: Final answer
x = 564,760,331.45
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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.