Finding the Fourth Proportional to 842,473,014.01, 1,263,881,878.68 and 289,703,652.10
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Solution
The fourth proportional to 842,473,014.01, 1,263,881,878.68 and 289,703,652.10 is: 434,614,747.28
Step by Step Solution
- Step 1: Write the proportion equation
842,473,014.01 : 1,263,881,878.68 = 289,703,652.10 : x - Step 2: Convert to fraction form
842,473,014.01/1,263,881,878.68 = 289,703,652.10/x - Step 3: Cross multiply
842,473,014.01x = 1,263,881,878.68 × 289,703,652.10 - Step 4: Simplify right side
842,473,014.01x = 366,151,196,074,517,376 - Step 5: Solve for x
x = 366,151,196,074,517,376/842,473,014.01 - Step 6: Final answer
x = 434,614,747.28
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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.