Finding the Fourth Proportional to 1,119,674,743.92, 1,545,151,811.76 and 624,637,452.96
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Solution
The fourth proportional to 1,119,674,743.92, 1,545,151,811.76 and 624,637,452.96 is: 862,000,056.15
Step by Step Solution
- Step 1: Write the proportion equation
1,119,674,743.92 : 1,545,151,811.76 = 624,637,452.96 : x - Step 2: Convert to fraction form
1,119,674,743.92/1,545,151,811.76 = 624,637,452.96/x - Step 3: Cross multiply
1,119,674,743.92x = 1,545,151,811.76 × 624,637,452.96 - Step 4: Simplify right side
1,119,674,743.92x = 965,159,692,134,295,808 - Step 5: Solve for x
x = 965,159,692,134,295,808/1,119,674,743.92 - Step 6: Final answer
x = 862,000,056.15
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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.