Finding the Fourth Proportional to 1,190,292,902.48, 1,785,406,348.92 and 316,901,763.92
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Solution
The fourth proportional to 1,190,292,902.48, 1,785,406,348.92 and 316,901,763.92 is: 475,343,858.73
Step by Step Solution
- Step 1: Write the proportion equation
1,190,292,902.48 : 1,785,406,348.92 = 316,901,763.92 : x - Step 2: Convert to fraction form
1,190,292,902.48/1,785,406,348.92 = 316,901,763.92/x - Step 3: Cross multiply
1,190,292,902.48x = 1,785,406,348.92 × 316,901,763.92 - Step 4: Simplify right side
1,190,292,902.48x = 565,798,421,286,715,072 - Step 5: Solve for x
x = 565,798,421,286,715,072/1,190,292,902.48 - Step 6: Final answer
x = 475,343,858.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.