Finding the Fourth Proportional to 783,689,886.42, 1,175,537,247.09 and 193,480,193.94
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Solution
The fourth proportional to 783,689,886.42, 1,175,537,247.09 and 193,480,193.94 is: 290,220,887.74
Step by Step Solution
- Step 1: Write the proportion equation
783,689,886.42 : 1,175,537,247.09 = 193,480,193.94 : x - Step 2: Convert to fraction form
783,689,886.42/1,175,537,247.09 = 193,480,193.94/x - Step 3: Cross multiply
783,689,886.42x = 1,175,537,247.09 × 193,480,193.94 - Step 4: Simplify right side
783,689,886.42x = 227,443,174,550,666,880 - Step 5: Solve for x
x = 227,443,174,550,666,880/783,689,886.42 - Step 6: Final answer
x = 290,220,887.74
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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.