Finding the Fourth Proportional to 1,498,176,136.80, 2,247,264,205.20 and 772,582,024.80
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Solution
The fourth proportional to 1,498,176,136.80, 2,247,264,205.20 and 772,582,024.80 is: 1,158,873,037.20
Step by Step Solution
- Step 1: Write the proportion equation
1,498,176,136.80 : 2,247,264,205.20 = 772,582,024.80 : x - Step 2: Convert to fraction form
1,498,176,136.80/2,247,264,205.20 = 772,582,024.80/x - Step 3: Cross multiply
1,498,176,136.80x = 2,247,264,205.20 × 772,582,024.80 - Step 4: Simplify right side
1,498,176,136.80x = 1,736,195,929,913,978,368 - Step 5: Solve for x
x = 1,736,195,929,913,978,368/1,498,176,136.80 - Step 6: Final answer
x = 1,158,873,037.20
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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.