Finding the Fourth Proportional to 750,294,366.96, 1,035,412,305.84 and 415,772,477.28
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Solution
The fourth proportional to 750,294,366.96, 1,035,412,305.84 and 415,772,477.28 is: 573,769,387.54
Step by Step Solution
- Step 1: Write the proportion equation
750,294,366.96 : 1,035,412,305.84 = 415,772,477.28 : x - Step 2: Convert to fraction form
750,294,366.96/1,035,412,305.84 = 415,772,477.28/x - Step 3: Cross multiply
750,294,366.96x = 1,035,412,305.84 × 415,772,477.28 - Step 4: Simplify right side
750,294,366.96x = 430,495,939,405,293,824 - Step 5: Solve for x
x = 430,495,939,405,293,824/750,294,366.96 - Step 6: Final answer
x = 573,769,387.54
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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.