Finding the Fourth Proportional to 5,171,648,567.48, 7,757,472,953.99 and 1,241,354,725.43
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Solution
The fourth proportional to 5,171,648,567.48, 7,757,472,953.99 and 1,241,354,725.43 is: 1,862,032,112.81
Step by Step Solution
- Step 1: Write the proportion equation
5,171,648,567.48 : 7,757,472,953.99 = 1,241,354,725.43 : x - Step 2: Convert to fraction form
5,171,648,567.48/7,757,472,953.99 = 1,241,354,725.43/x - Step 3: Cross multiply
5,171,648,567.48x = 7,757,472,953.99 × 1,241,354,725.43 - Step 4: Simplify right side
5,171,648,567.48x = 9,629,775,708,785,911,808 - Step 5: Solve for x
x = 9,629,775,708,785,911,808/5,171,648,567.48 - Step 6: Final answer
x = 1,862,032,112.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.