Finding the Fourth Proportional to 3,125,995,401.30, 4,688,993,101.95 and 1,285,136,265.30
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Solution
The fourth proportional to 3,125,995,401.30, 4,688,993,101.95 and 1,285,136,265.30 is: 1,927,704,397.95
Step by Step Solution
- Step 1: Write the proportion equation
3,125,995,401.30 : 4,688,993,101.95 = 1,285,136,265.30 : x - Step 2: Convert to fraction form
3,125,995,401.30/4,688,993,101.95 = 1,285,136,265.30/x - Step 3: Cross multiply
3,125,995,401.30x = 4,688,993,101.95 × 1,285,136,265.30 - Step 4: Simplify right side
3,125,995,401.30x = 6,025,995,083,057,484,800 - Step 5: Solve for x
x = 6,025,995,083,057,484,800/3,125,995,401.30 - Step 6: Final answer
x = 1,927,704,397.95
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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.