Finding the Fourth Proportional to 1,513,660,803.30, 2,270,491,204.95 and 1,105,514,115.30
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Solution
The fourth proportional to 1,513,660,803.30, 2,270,491,204.95 and 1,105,514,115.30 is: 1,658,271,172.95
Step by Step Solution
- Step 1: Write the proportion equation
1,513,660,803.30 : 2,270,491,204.95 = 1,105,514,115.30 : x - Step 2: Convert to fraction form
1,513,660,803.30/2,270,491,204.95 = 1,105,514,115.30/x - Step 3: Cross multiply
1,513,660,803.30x = 2,270,491,204.95 × 1,105,514,115.30 - Step 4: Simplify right side
1,513,660,803.30x = 2,510,060,075,736,730,112 - Step 5: Solve for x
x = 2,510,060,075,736,730,112/1,513,660,803.30 - Step 6: Final answer
x = 1,658,271,172.95
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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.