Finding the Fourth Proportional to 1,116,445,549.48, 1,674,668,214.06 and 298,536,592.84
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Solution
The fourth proportional to 1,116,445,549.48, 1,674,668,214.06 and 298,536,592.84 is: 447,804,859.80
Step by Step Solution
- Step 1: Write the proportion equation
1,116,445,549.48 : 1,674,668,214.06 = 298,536,592.84 : x - Step 2: Convert to fraction form
1,116,445,549.48/1,674,668,214.06 = 298,536,592.84/x - Step 3: Cross multiply
1,116,445,549.48x = 1,674,668,214.06 × 298,536,592.84 - Step 4: Simplify right side
1,116,445,549.48x = 499,949,742,762,920,128 - Step 5: Solve for x
x = 499,949,742,762,920,128/1,116,445,549.48 - Step 6: Final answer
x = 447,804,859.80
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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.