Finding the Fourth Proportional to 1,585,298,536.48, 2,187,583,975.92 and 916,286,920
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Solution
The fourth proportional to 1,585,298,536.48, 2,187,583,975.92 and 916,286,920 is: 1,264,401,964.31
Step by Step Solution
- Step 1: Write the proportion equation
1,585,298,536.48 : 2,187,583,975.92 = 916,286,920 : x - Step 2: Convert to fraction form
1,585,298,536.48/2,187,583,975.92 = 916,286,920/x - Step 3: Cross multiply
1,585,298,536.48x = 2,187,583,975.92 × 916,286,920 - Step 4: Simplify right side
1,585,298,536.48x = 2,004,454,583,537,091,072 - Step 5: Solve for x
x = 2,004,454,583,537,091,072/1,585,298,536.48 - Step 6: Final answer
x = 1,264,401,964.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.