Finding the Fourth Proportional to 1,117,445,316.58, 1,676,112,256.99 and 417,886,022.08
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Solution
The fourth proportional to 1,117,445,316.58, 1,676,112,256.99 and 417,886,022.08 is: 626,808,196.55
Step by Step Solution
- Step 1: Write the proportion equation
1,117,445,316.58 : 1,676,112,256.99 = 417,886,022.08 : x - Step 2: Convert to fraction form
1,117,445,316.58/1,676,112,256.99 = 417,886,022.08/x - Step 3: Cross multiply
1,117,445,316.58x = 1,676,112,256.99 × 417,886,022.08 - Step 4: Simplify right side
1,117,445,316.58x = 700,423,883,633,081,728 - Step 5: Solve for x
x = 700,423,883,633,081,728/1,117,445,316.58 - Step 6: Final answer
x = 626,808,196.55
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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.