Finding the Fourth Proportional to 1,106,186,035,229.40, 1,527,006,762,574.80 and 689,245,878,511.80
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Solution
The fourth proportional to 1,106,186,035,229.40, 1,527,006,762,574.80 and 689,245,878,511.80 is: 951,452,182,585.24
Step by Step Solution
- Step 1: Write the proportion equation
1,106,186,035,229.40 : 1,527,006,762,574.80 = 689,245,878,511.80 : x - Step 2: Convert to fraction form
1,106,186,035,229.40/1,527,006,762,574.80 = 689,245,878,511.80/x - Step 3: Cross multiply
1,106,186,035,229.40x = 1,527,006,762,574.80 × 689,245,878,511.80 - Step 4: Simplify right side
1,106,186,035,229.40x = 1,052,483,117,564,327,800,864,768 - Step 5: Solve for x
x = 1,052,483,117,564,327,800,864,768/1,106,186,035,229.40 - Step 6: Final answer
x = 951,452,182,585.24
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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.