Finding the Fourth Proportional to 1,887,398,771.40, 2,605,727,579.76 and 1,677,976,473.60
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Solution
The fourth proportional to 1,887,398,771.40, 2,605,727,579.76 and 1,677,976,473.60 is: 2,316,600,837.99
Step by Step Solution
- Step 1: Write the proportion equation
1,887,398,771.40 : 2,605,727,579.76 = 1,677,976,473.60 : x - Step 2: Convert to fraction form
1,887,398,771.40/2,605,727,579.76 = 1,677,976,473.60/x - Step 3: Cross multiply
1,887,398,771.40x = 2,605,727,579.76 × 1,677,976,473.60 - Step 4: Simplify right side
1,887,398,771.40x = 4,372,349,575,447,947,776 - Step 5: Solve for x
x = 4,372,349,575,447,947,776/1,887,398,771.40 - Step 6: Final answer
x = 2,316,600,837.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.