Finding the Fourth Proportional to 2,007,394,681.17, 2,770,279,421.76 and 1,203,753,019.19
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Solution
The fourth proportional to 2,007,394,681.17, 2,770,279,421.76 and 1,203,753,019.19 is: 1,661,223,998.07
Step by Step Solution
- Step 1: Write the proportion equation
2,007,394,681.17 : 2,770,279,421.76 = 1,203,753,019.19 : x - Step 2: Convert to fraction form
2,007,394,681.17/2,770,279,421.76 = 1,203,753,019.19/x - Step 3: Cross multiply
2,007,394,681.17x = 2,770,279,421.76 × 1,203,753,019.19 - Step 4: Simplify right side
2,007,394,681.17x = 3,334,732,217,950,453,760 - Step 5: Solve for x
x = 3,334,732,217,950,453,760/2,007,394,681.17 - Step 6: Final answer
x = 1,661,223,998.07
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1.5x scale
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.