Finding the Fourth Proportional to 856,106,408.36, 1,181,432,890.16 and 464,965,832.36
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Solution
The fourth proportional to 856,106,408.36, 1,181,432,890.16 and 464,965,832.36 is: 641,656,132.67
Step by Step Solution
- Step 1: Write the proportion equation
856,106,408.36 : 1,181,432,890.16 = 464,965,832.36 : x - Step 2: Convert to fraction form
856,106,408.36/1,181,432,890.16 = 464,965,832.36/x - Step 3: Cross multiply
856,106,408.36x = 1,181,432,890.16 × 464,965,832.36 - Step 4: Simplify right side
856,106,408.36x = 549,325,927,142,492,864 - Step 5: Solve for x
x = 549,325,927,142,492,864/856,106,408.36 - Step 6: Final answer
x = 641,656,132.67
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1.5x scale
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.