Finding the Fourth Proportional to 3,612,448,542.15, 5,417,071,237.62 and 1,931,326,092.81
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Solution
The fourth proportional to 3,612,448,542.15, 5,417,071,237.62 and 1,931,326,092.81 is: 2,896,132,887.64
Step by Step Solution
- Step 1: Write the proportion equation
3,612,448,542.15 : 5,417,071,237.62 = 1,931,326,092.81 : x - Step 2: Convert to fraction form
3,612,448,542.15/5,417,071,237.62 = 1,931,326,092.81/x - Step 3: Cross multiply
3,612,448,542.15x = 5,417,071,237.62 × 1,931,326,092.81 - Step 4: Simplify right side
3,612,448,542.15x = 10,462,131,027,826,065,408 - Step 5: Solve for x
x = 10,462,131,027,826,065,408/3,612,448,542.15 - Step 6: Final answer
x = 2,896,132,887.64
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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.