Finding the Fourth Proportional to 6,434,083,541.80, 9,651,125,312.70 and 3,985,203,413.80
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Solution
The fourth proportional to 6,434,083,541.80, 9,651,125,312.70 and 3,985,203,413.80 is: 5,977,805,120.70
Step by Step Solution
- Step 1: Write the proportion equation
6,434,083,541.80 : 9,651,125,312.70 = 3,985,203,413.80 : x - Step 2: Convert to fraction form
6,434,083,541.80/9,651,125,312.70 = 3,985,203,413.80/x - Step 3: Cross multiply
6,434,083,541.80x = 9,651,125,312.70 × 3,985,203,413.80 - Step 4: Simplify right side
6,434,083,541.80x = 38,461,697,543,183,638,528 - Step 5: Solve for x
x = 38,461,697,543,183,638,528/6,434,083,541.80 - Step 6: Final answer
x = 5,977,805,120.70
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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.