Finding the Fourth Proportional to 1,547,439,341.03, 2,135,457,194.63 and 842,589,634.80
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Solution
The fourth proportional to 1,547,439,341.03, 2,135,457,194.63 and 842,589,634.80 is: 1,162,768,743.20
Step by Step Solution
- Step 1: Write the proportion equation
1,547,439,341.03 : 2,135,457,194.63 = 842,589,634.80 : x - Step 2: Convert to fraction form
1,547,439,341.03/2,135,457,194.63 = 842,589,634.80/x - Step 3: Cross multiply
1,547,439,341.03x = 2,135,457,194.63 × 842,589,634.80 - Step 4: Simplify right side
1,547,439,341.03x = 1,799,314,097,754,324,224 - Step 5: Solve for x
x = 1,799,314,097,754,324,224/1,547,439,341.03 - Step 6: Final answer
x = 1,162,768,743.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.