Finding the Fourth Proportional to 970,205,389.37, 1,455,307,918.01 and 306,685,191.05
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Solution
The fourth proportional to 970,205,389.37, 1,455,307,918.01 and 306,685,191.05 is: 460,027,734.09
Step by Step Solution
- Step 1: Write the proportion equation
970,205,389.37 : 1,455,307,918.01 = 306,685,191.05 : x - Step 2: Convert to fraction form
970,205,389.37/1,455,307,918.01 = 306,685,191.05/x - Step 3: Cross multiply
970,205,389.37x = 1,455,307,918.01 × 306,685,191.05 - Step 4: Simplify right side
970,205,389.37x = 446,321,386,869,941,184 - Step 5: Solve for x
x = 446,321,386,869,941,184/970,205,389.37 - Step 6: Final answer
x = 460,027,734.09
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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.