Finding the Fourth Proportional to 295,460,347.68, 407,756,391.12 and 163,298,501.28
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Solution
The fourth proportional to 295,460,347.68, 407,756,391.12 and 163,298,501.28 is: 225,363,599.82
Step by Step Solution
- Step 1: Write the proportion equation
295,460,347.68 : 407,756,391.12 = 163,298,501.28 : x - Step 2: Convert to fraction form
295,460,347.68/407,756,391.12 = 163,298,501.28/x - Step 3: Cross multiply
295,460,347.68x = 407,756,391.12 × 163,298,501.28 - Step 4: Simplify right side
295,460,347.68x = 66,586,007,557,237,504 - Step 5: Solve for x
x = 66,586,007,557,237,504/295,460,347.68 - Step 6: Final answer
x = 225,363,599.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.