Finding the Fourth Proportional to 971,541,751.65, 1,457,312,627.48 and 480,330,835.35
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Solution
The fourth proportional to 971,541,751.65, 1,457,312,627.48 and 480,330,835.35 is: 720,496,253.03
Step by Step Solution
- Step 1: Write the proportion equation
971,541,751.65 : 1,457,312,627.48 = 480,330,835.35 : x - Step 2: Convert to fraction form
971,541,751.65/1,457,312,627.48 = 480,330,835.35/x - Step 3: Cross multiply
971,541,751.65x = 1,457,312,627.48 × 480,330,835.35 - Step 4: Simplify right side
971,541,751.65x = 699,992,191,721,170,048 - Step 5: Solve for x
x = 699,992,191,721,170,048/971,541,751.65 - Step 6: Final answer
x = 720,496,253.03
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Double scale
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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.