Finding the Fourth Proportional to 1,796,688,115.80, 2,695,032,173.70 and 435,079,411.80
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Solution
The fourth proportional to 1,796,688,115.80, 2,695,032,173.70 and 435,079,411.80 is: 652,619,117.70
Step by Step Solution
- Step 1: Write the proportion equation
1,796,688,115.80 : 2,695,032,173.70 = 435,079,411.80 : x - Step 2: Convert to fraction form
1,796,688,115.80/2,695,032,173.70 = 435,079,411.80/x - Step 3: Cross multiply
1,796,688,115.80x = 2,695,032,173.70 × 435,079,411.80 - Step 4: Simplify right side
1,796,688,115.80x = 1,172,553,012,915,471,360 - Step 5: Solve for x
x = 1,172,553,012,915,471,360/1,796,688,115.80 - Step 6: Final answer
x = 652,619,117.70
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Similar ratio
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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.