Finding the Fourth Proportional to 2,291,921,512.74, 3,437,877,972.84 and 718,149,299.76
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Solution
The fourth proportional to 2,291,921,512.74, 3,437,877,972.84 and 718,149,299.76 is: 1,077,222,603.45
Step by Step Solution
- Step 1: Write the proportion equation
2,291,921,512.74 : 3,437,877,972.84 = 718,149,299.76 : x - Step 2: Convert to fraction form
2,291,921,512.74/3,437,877,972.84 = 718,149,299.76/x - Step 3: Cross multiply
2,291,921,512.74x = 3,437,877,972.84 × 718,149,299.76 - Step 4: Simplify right side
2,291,921,512.74x = 2,468,909,658,855,374,336 - Step 5: Solve for x
x = 2,468,909,658,855,374,336/2,291,921,512.74 - Step 6: Final answer
x = 1,077,222,603.45
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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.