Finding the Fourth Proportional to 1,763,800,098.80, 2,434,024,820.49 and 970,829,124.08
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Solution
The fourth proportional to 1,763,800,098.80, 2,434,024,820.49 and 970,829,124.08 is: 1,339,733,559.42
Step by Step Solution
- Step 1: Write the proportion equation
1,763,800,098.80 : 2,434,024,820.49 = 970,829,124.08 : x - Step 2: Convert to fraction form
1,763,800,098.80/2,434,024,820.49 = 970,829,124.08/x - Step 3: Cross multiply
1,763,800,098.80x = 2,434,024,820.49 × 970,829,124.08 - Step 4: Simplify right side
1,763,800,098.80x = 2,363,022,184,465,285,632 - Step 5: Solve for x
x = 2,363,022,184,465,285,632/1,763,800,098.80 - Step 6: Final answer
x = 1,339,733,559.42
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1.5x scale
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.