Finding the Fourth Proportional to 318,721,408.08, 439,836,454.08 and 184,785,353.34
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Solution
The fourth proportional to 318,721,408.08, 439,836,454.08 and 184,785,353.34 is: 255,004,315.74
Step by Step Solution
- Step 1: Write the proportion equation
318,721,408.08 : 439,836,454.08 = 184,785,353.34 : x - Step 2: Convert to fraction form
318,721,408.08/439,836,454.08 = 184,785,353.34/x - Step 3: Cross multiply
318,721,408.08x = 439,836,454.08 × 184,785,353.34 - Step 4: Simplify right side
318,721,408.08x = 81,275,334,578,985,488 - Step 5: Solve for x
x = 81,275,334,578,985,488/318,721,408.08 - Step 6: Final answer
x = 255,004,315.74
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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.