Finding the Fourth Proportional to 1,360,268,403.84, 1,877,749,615.17 and 914,490,302.08
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Solution
The fourth proportional to 1,360,268,403.84, 1,877,749,615.17 and 914,490,302.08 is: 1,262,386,017.32
Step by Step Solution
- Step 1: Write the proportion equation
1,360,268,403.84 : 1,877,749,615.17 = 914,490,302.08 : x - Step 2: Convert to fraction form
1,360,268,403.84/1,877,749,615.17 = 914,490,302.08/x - Step 3: Cross multiply
1,360,268,403.84x = 1,877,749,615.17 × 914,490,302.08 - Step 4: Simplify right side
1,360,268,403.84x = 1,717,183,812,807,417,088 - Step 5: Solve for x
x = 1,717,183,812,807,417,088/1,360,268,403.84 - Step 6: Final answer
x = 1,262,386,017.32
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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.