Finding the Fourth Proportional to 427,381,652.08, 589,780,892.04 and 239,209,890
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Solution
The fourth proportional to 427,381,652.08, 589,780,892.04 and 239,209,890 is: 330,106,408.69
Step by Step Solution
- Step 1: Write the proportion equation
427,381,652.08 : 589,780,892.04 = 239,209,890 : x - Step 2: Convert to fraction form
427,381,652.08/589,780,892.04 = 239,209,890/x - Step 3: Cross multiply
427,381,652.08x = 589,780,892.04 × 239,209,890 - Step 4: Simplify right side
427,381,652.08x = 141,081,422,308,990,272 - Step 5: Solve for x
x = 141,081,422,308,990,272/427,381,652.08 - Step 6: Final answer
x = 330,106,408.69
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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.