Finding the Fourth Proportional to 2,740,497,739.24, 3,781,889,679.09 and 1,487,434,853.47
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Solution
The fourth proportional to 2,740,497,739.24, 3,781,889,679.09 and 1,487,434,853.47 is: 2,052,661,616.95
Step by Step Solution
- Step 1: Write the proportion equation
2,740,497,739.24 : 3,781,889,679.09 = 1,487,434,853.47 : x - Step 2: Convert to fraction form
2,740,497,739.24/3,781,889,679.09 = 1,487,434,853.47/x - Step 3: Cross multiply
2,740,497,739.24x = 3,781,889,679.09 × 1,487,434,853.47 - Step 4: Simplify right side
2,740,497,739.24x = 5,625,314,520,681,407,488 - Step 5: Solve for x
x = 5,625,314,520,681,407,488/2,740,497,739.24 - Step 6: Final answer
x = 2,052,661,616.95
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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.