Finding the Fourth Proportional to 2,113,735,310,941, 3,169,305,386,890.50 and 821,437,646,626.70
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Solution
The fourth proportional to 2,113,735,310,941, 3,169,305,386,890.50 and 821,437,646,626.70 is: 1,231,652,205,918.66
Step by Step Solution
- Step 1: Write the proportion equation
2,113,735,310,941 : 3,169,305,386,890.50 = 821,437,646,626.70 : x - Step 2: Convert to fraction form
2,113,735,310,941/3,169,305,386,890.50 = 821,437,646,626.70/x - Step 3: Cross multiply
2,113,735,310,941x = 3,169,305,386,890.50 × 821,437,646,626.70 - Step 4: Simplify right side
2,113,735,310,941x = 2,603,386,758,448,655,280,111,616 - Step 5: Solve for x
x = 2,603,386,758,448,655,280,111,616/2,113,735,310,941 - Step 6: Final answer
x = 1,231,652,205,918.66
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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.