Finding the Fourth Proportional to 1,793,358,312.48, 2,474,878,309.20 and 1,000,398,651.84
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Solution
The fourth proportional to 1,793,358,312.48, 2,474,878,309.20 and 1,000,398,651.84 is: 1,380,574,593.91
Step by Step Solution
- Step 1: Write the proportion equation
1,793,358,312.48 : 2,474,878,309.20 = 1,000,398,651.84 : x - Step 2: Convert to fraction form
1,793,358,312.48/2,474,878,309.20 = 1,000,398,651.84/x - Step 3: Cross multiply
1,793,358,312.48x = 2,474,878,309.20 × 1,000,398,651.84 - Step 4: Simplify right side
1,793,358,312.48x = 2,475,864,923,991,738,368 - Step 5: Solve for x
x = 2,475,864,923,991,738,368/1,793,358,312.48 - Step 6: Final answer
x = 1,380,574,593.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.