Finding the Fourth Proportional to 750,420,276.63, 1,035,580,079.91 and 415,914,394.89
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Solution
The fourth proportional to 750,420,276.63, 1,035,580,079.91 and 415,914,394.89 is: 573,961,919.35
Step by Step Solution
- Step 1: Write the proportion equation
750,420,276.63 : 1,035,580,079.91 = 415,914,394.89 : x - Step 2: Convert to fraction form
750,420,276.63/1,035,580,079.91 = 415,914,394.89/x - Step 3: Cross multiply
750,420,276.63x = 1,035,580,079.91 × 415,914,394.89 - Step 4: Simplify right side
750,420,276.63x = 430,712,662,295,905,472 - Step 5: Solve for x
x = 430,712,662,295,905,472/750,420,276.63 - Step 6: Final answer
x = 573,961,919.35
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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.