Finding the Fourth Proportional to 869,259,058.60, 1,303,440,690.30 and 323,719,781.80
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Solution
The fourth proportional to 869,259,058.60, 1,303,440,690.30 and 323,719,781.80 is: 485,412,871.66
Step by Step Solution
- Step 1: Write the proportion equation
869,259,058.60 : 1,303,440,690.30 = 323,719,781.80 : x - Step 2: Convert to fraction form
869,259,058.60/1,303,440,690.30 = 323,719,781.80/x - Step 3: Cross multiply
869,259,058.60x = 1,303,440,690.30 × 323,719,781.80 - Step 4: Simplify right side
869,259,058.60x = 421,949,535,853,157,376 - Step 5: Solve for x
x = 421,949,535,853,157,376/869,259,058.60 - Step 6: Final answer
x = 485,412,871.66
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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.