Finding the Fourth Proportional to 1,077,657,403.20, 1,616,486,104.80 and 974,345,272.80
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Solution
The fourth proportional to 1,077,657,403.20, 1,616,486,104.80 and 974,345,272.80 is: 1,461,517,909.20
Step by Step Solution
- Step 1: Write the proportion equation
1,077,657,403.20 : 1,616,486,104.80 = 974,345,272.80 : x - Step 2: Convert to fraction form
1,077,657,403.20/1,616,486,104.80 = 974,345,272.80/x - Step 3: Cross multiply
1,077,657,403.20x = 1,616,486,104.80 × 974,345,272.80 - Step 4: Simplify right side
1,077,657,403.20x = 1,575,015,594,758,765,312 - Step 5: Solve for x
x = 1,575,015,594,758,765,312/1,077,657,403.20 - Step 6: Final answer
x = 1,461,517,909.20
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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.