Finding the Fourth Proportional to 1,131,226,578.07, 1,697,084,101.08 and 344,341,763.12
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Solution
The fourth proportional to 1,131,226,578.07, 1,697,084,101.08 and 344,341,763.12 is: 516,586,988.73
Step by Step Solution
- Step 1: Write the proportion equation
1,131,226,578.07 : 1,697,084,101.08 = 344,341,763.12 : x - Step 2: Convert to fraction form
1,131,226,578.07/1,697,084,101.08 = 344,341,763.12/x - Step 3: Cross multiply
1,131,226,578.07x = 1,697,084,101.08 × 344,341,763.12 - Step 4: Simplify right side
1,131,226,578.07x = 584,376,931,533,050,240 - Step 5: Solve for x
x = 584,376,931,533,050,240/1,131,226,578.07 - Step 6: Final answer
x = 516,586,988.73
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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.