Finding the Fourth Proportional to 295,286,643.70, 442,929,965.55 and 295,286,643.70
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Solution
The fourth proportional to 295,286,643.70, 442,929,965.55 and 295,286,643.70 is: 442,929,965.55
Step by Step Solution
- Step 1: Write the proportion equation
295,286,643.70 : 442,929,965.55 = 295,286,643.70 : x - Step 2: Convert to fraction form
295,286,643.70/442,929,965.55 = 295,286,643.70/x - Step 3: Cross multiply
295,286,643.70x = 442,929,965.55 × 295,286,643.70 - Step 4: Simplify right side
295,286,643.70x = 130,791,302,921,416,128 - Step 5: Solve for x
x = 130,791,302,921,416,128/295,286,643.70 - Step 6: Final answer
x = 442,929,965.55
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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.