Finding the Fourth Proportional to 889,059,536, 1,226,902,159.68 and 497,918,960
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Solution
The fourth proportional to 889,059,536, 1,226,902,159.68 and 497,918,960 is: 687,128,164.80
Step by Step Solution
- Step 1: Write the proportion equation
889,059,536 : 1,226,902,159.68 = 497,918,960 : x - Step 2: Convert to fraction form
889,059,536/1,226,902,159.68 = 497,918,960/x - Step 3: Cross multiply
889,059,536x = 1,226,902,159.68 × 497,918,960 - Step 4: Simplify right side
889,059,536x = 610,897,847,369,619,584 - Step 5: Solve for x
x = 610,897,847,369,619,584/889,059,536 - Step 6: Final answer
x = 687,128,164.80
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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.