Finding the Fourth Proportional to 1,486,344,410.88, 2,051,214,388.80 and 817,344,303.92
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Solution
The fourth proportional to 1,486,344,410.88, 2,051,214,388.80 and 817,344,303.92 is: 1,127,967,639.62
Step by Step Solution
- Step 1: Write the proportion equation
1,486,344,410.88 : 2,051,214,388.80 = 817,344,303.92 : x - Step 2: Convert to fraction form
1,486,344,410.88/2,051,214,388.80 = 817,344,303.92/x - Step 3: Cross multiply
1,486,344,410.88x = 2,051,214,388.80 × 817,344,303.92 - Step 4: Simplify right side
1,486,344,410.88x = 1,676,548,396,804,424,192 - Step 5: Solve for x
x = 1,676,548,396,804,424,192/1,486,344,410.88 - Step 6: Final answer
x = 1,127,967,639.62
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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.