Finding the Fourth Proportional to 1,386,465,450, 1,913,527,674.68 and 877,875,434.97
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Solution
The fourth proportional to 1,386,465,450, 1,913,527,674.68 and 877,875,434.97 is: 1,211,598,125.10
Step by Step Solution
- Step 1: Write the proportion equation
1,386,465,450 : 1,913,527,674.68 = 877,875,434.97 : x - Step 2: Convert to fraction form
1,386,465,450/1,913,527,674.68 = 877,875,434.97/x - Step 3: Cross multiply
1,386,465,450x = 1,913,527,674.68 × 877,875,434.97 - Step 4: Simplify right side
1,386,465,450x = 1,679,838,939,732,448,256 - Step 5: Solve for x
x = 1,679,838,939,732,448,256/1,386,465,450 - Step 6: Final answer
x = 1,211,598,125.10
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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.