Finding the Fourth Proportional to 3,155,896,399.80, 4,733,844,599.70 and 1,316,968,822.20
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Solution
The fourth proportional to 3,155,896,399.80, 4,733,844,599.70 and 1,316,968,822.20 is: 1,975,453,233.30
Step by Step Solution
- Step 1: Write the proportion equation
3,155,896,399.80 : 4,733,844,599.70 = 1,316,968,822.20 : x - Step 2: Convert to fraction form
3,155,896,399.80/4,733,844,599.70 = 1,316,968,822.20/x - Step 3: Cross multiply
3,155,896,399.80x = 4,733,844,599.70 × 1,316,968,822.20 - Step 4: Simplify right side
3,155,896,399.80x = 6,234,325,746,944,739,328 - Step 5: Solve for x
x = 6,234,325,746,944,739,328/3,155,896,399.80 - Step 6: Final answer
x = 1,975,453,233.30
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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.