Finding the Fourth Proportional to 272,438,647.08, 376,179,550.14 and 219,346,706.28
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Solution
The fourth proportional to 272,438,647.08, 376,179,550.14 and 219,346,706.28 is: 302,870,925.90
Step by Step Solution
- Step 1: Write the proportion equation
272,438,647.08 : 376,179,550.14 = 219,346,706.28 : x - Step 2: Convert to fraction form
272,438,647.08/376,179,550.14 = 219,346,706.28/x - Step 3: Cross multiply
272,438,647.08x = 376,179,550.14 × 219,346,706.28 - Step 4: Simplify right side
272,438,647.08x = 82,513,745,293,101,104 - Step 5: Solve for x
x = 82,513,745,293,101,104/272,438,647.08 - Step 6: Final answer
x = 302,870,925.90
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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.