Finding the Fourth Proportional to 1,186,251,687.84, 1,779,673,908.96 and 837,179,330.16
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Solution
The fourth proportional to 1,186,251,687.84, 1,779,673,908.96 and 837,179,330.16 is: 1,255,978,159.00
Step by Step Solution
- Step 1: Write the proportion equation
1,186,251,687.84 : 1,779,673,908.96 = 837,179,330.16 : x - Step 2: Convert to fraction form
1,186,251,687.84/1,779,673,908.96 = 837,179,330.16/x - Step 3: Cross multiply
1,186,251,687.84x = 1,779,673,908.96 × 837,179,330.16 - Step 4: Simplify right side
1,186,251,687.84x = 1,489,906,211,006,361,600 - Step 5: Solve for x
x = 1,489,906,211,006,361,600/1,186,251,687.84 - Step 6: Final answer
x = 1,255,978,159.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.