Finding the Fourth Proportional to 578,162,210.59, 797,864,862.78 and 313,844,382.68
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Solution
The fourth proportional to 578,162,210.59, 797,864,862.78 and 313,844,382.68 is: 433,105,797.53
Step by Step Solution
- Step 1: Write the proportion equation
578,162,210.59 : 797,864,862.78 = 313,844,382.68 : x - Step 2: Convert to fraction form
578,162,210.59/797,864,862.78 = 313,844,382.68/x - Step 3: Cross multiply
578,162,210.59x = 797,864,862.78 × 313,844,382.68 - Step 4: Simplify right side
578,162,210.59x = 250,405,405,318,499,072 - Step 5: Solve for x
x = 250,405,405,318,499,072/578,162,210.59 - Step 6: Final answer
x = 433,105,797.53
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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.