Finding the Fourth Proportional to 646,637,176.27, 892,359,661.31 and 349,279,417.09
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Solution
The fourth proportional to 646,637,176.27, 892,359,661.31 and 349,279,417.09 is: 482,005,788.99
Step by Step Solution
- Step 1: Write the proportion equation
646,637,176.27 : 892,359,661.31 = 349,279,417.09 : x - Step 2: Convert to fraction form
646,637,176.27/892,359,661.31 = 349,279,417.09/x - Step 3: Cross multiply
646,637,176.27x = 892,359,661.31 × 349,279,417.09 - Step 4: Simplify right side
646,637,176.27x = 311,682,862,336,986,560 - Step 5: Solve for x
x = 311,682,862,336,986,560/646,637,176.27 - Step 6: Final answer
x = 482,005,788.99
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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.