Finding the Fourth Proportional to 2,900,044,133.36, 4,001,362,789.16 and 1,693,701,259.28
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Solution
The fourth proportional to 2,900,044,133.36, 4,001,362,789.16 and 1,693,701,259.28 is: 2,336,900,020.55
Step by Step Solution
- Step 1: Write the proportion equation
2,900,044,133.36 : 4,001,362,789.16 = 1,693,701,259.28 : x - Step 2: Convert to fraction form
2,900,044,133.36/4,001,362,789.16 = 1,693,701,259.28/x - Step 3: Cross multiply
2,900,044,133.36x = 4,001,362,789.16 × 1,693,701,259.28 - Step 4: Simplify right side
2,900,044,133.36x = 6,777,113,194,836,424,704 - Step 5: Solve for x
x = 6,777,113,194,836,424,704/2,900,044,133.36 - Step 6: Final answer
x = 2,336,900,020.55
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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.