Finding the Fourth Proportional to 478,832,125.10, 718,248,187.65 and 478,832,125.10
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Solution
The fourth proportional to 478,832,125.10, 718,248,187.65 and 478,832,125.10 is: 718,248,187.65
Step by Step Solution
- Step 1: Write the proportion equation
478,832,125.10 : 718,248,187.65 = 478,832,125.10 : x - Step 2: Convert to fraction form
478,832,125.10/718,248,187.65 = 478,832,125.10/x - Step 3: Cross multiply
478,832,125.10x = 718,248,187.65 × 478,832,125.10 - Step 4: Simplify right side
478,832,125.10x = 343,920,306,041,673,088 - Step 5: Solve for x
x = 343,920,306,041,673,088/478,832,125.10 - Step 6: Final answer
x = 718,248,187.65
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1.5x scale
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.