Finding the Fourth Proportional to 750,294,342.19, 1,035,412,271.61 and 415,772,452.42
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Solution
The fourth proportional to 750,294,342.19, 1,035,412,271.61 and 415,772,452.42 is: 573,769,353.21
Step by Step Solution
- Step 1: Write the proportion equation
750,294,342.19 : 1,035,412,271.61 = 415,772,452.42 : x - Step 2: Convert to fraction form
750,294,342.19/1,035,412,271.61 = 415,772,452.42/x - Step 3: Cross multiply
750,294,342.19x = 1,035,412,271.61 × 415,772,452.42 - Step 4: Simplify right side
750,294,342.19x = 430,495,899,433,052,864 - Step 5: Solve for x
x = 430,495,899,433,052,864/750,294,342.19 - Step 6: Final answer
x = 573,769,353.21
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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.