Finding the Fourth Proportional to 1,667,241,412.13, 2,501,625,826.49 and 722,128,570.08
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Solution
The fourth proportional to 1,667,241,412.13, 2,501,625,826.49 and 722,128,570.08 is: 1,083,523,638.40
Step by Step Solution
- Step 1: Write the proportion equation
1,667,241,412.13 : 2,501,625,826.49 = 722,128,570.08 : x - Step 2: Convert to fraction form
1,667,241,412.13/2,501,625,826.49 = 722,128,570.08/x - Step 3: Cross multiply
1,667,241,412.13x = 2,501,625,826.49 × 722,128,570.08 - Step 4: Simplify right side
1,667,241,412.13x = 1,806,495,480,954,811,392 - Step 5: Solve for x
x = 1,806,495,480,954,811,392/1,667,241,412.13 - Step 6: Final answer
x = 1,083,523,638.40
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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.