Finding the Fourth Proportional to 3,240,324,641.40, 4,860,486,962.10 and 3,113,345,671.80
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Solution
The fourth proportional to 3,240,324,641.40, 4,860,486,962.10 and 3,113,345,671.80 is: 4,670,018,507.70
Step by Step Solution
- Step 1: Write the proportion equation
3,240,324,641.40 : 4,860,486,962.10 = 3,113,345,671.80 : x - Step 2: Convert to fraction form
3,240,324,641.40/4,860,486,962.10 = 3,113,345,671.80/x - Step 3: Cross multiply
3,240,324,641.40x = 4,860,486,962.10 × 3,113,345,671.80 - Step 4: Simplify right side
3,240,324,641.40x = 15,132,376,046,294,368,256 - Step 5: Solve for x
x = 15,132,376,046,294,368,256/3,240,324,641.40 - Step 6: Final answer
x = 4,670,018,507.70
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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.