Finding the Fourth Proportional to 1,164,158,216.76, 1,606,544,864.48 and 662,366,988.26
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Solution
The fourth proportional to 1,164,158,216.76, 1,606,544,864.48 and 662,366,988.26 is: 914,070,156.50
Step by Step Solution
- Step 1: Write the proportion equation
1,164,158,216.76 : 1,606,544,864.48 = 662,366,988.26 : x - Step 2: Convert to fraction form
1,164,158,216.76/1,606,544,864.48 = 662,366,988.26/x - Step 3: Cross multiply
1,164,158,216.76x = 1,606,544,864.48 × 662,366,988.26 - Step 4: Simplify right side
1,164,158,216.76x = 1,064,122,283,390,187,392 - Step 5: Solve for x
x = 1,064,122,283,390,187,392/1,164,158,216.76 - Step 6: Final answer
x = 914,070,156.50
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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.