Finding the Fourth Proportional to 872,538,959.90, 1,204,475,301.88 and 586,596,322.53
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Solution
The fourth proportional to 872,538,959.90, 1,204,475,301.88 and 586,596,322.53 is: 809,752,704.61
Step by Step Solution
- Step 1: Write the proportion equation
872,538,959.90 : 1,204,475,301.88 = 586,596,322.53 : x - Step 2: Convert to fraction form
872,538,959.90/1,204,475,301.88 = 586,596,322.53/x - Step 3: Cross multiply
872,538,959.90x = 1,204,475,301.88 × 586,596,322.53 - Step 4: Simplify right side
872,538,959.90x = 706,540,782,659,553,152 - Step 5: Solve for x
x = 706,540,782,659,553,152/872,538,959.90 - Step 6: Final answer
x = 809,752,704.61
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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.