Finding the Fourth Proportional to 1,675,937,207.07, 2,312,865,028.04 and 933,381,150.75
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Solution
The fourth proportional to 1,675,937,207.07, 2,312,865,028.04 and 933,381,150.75 is: 1,288,105,910.11
Step by Step Solution
- Step 1: Write the proportion equation
1,675,937,207.07 : 2,312,865,028.04 = 933,381,150.75 : x - Step 2: Convert to fraction form
1,675,937,207.07/2,312,865,028.04 = 933,381,150.75/x - Step 3: Cross multiply
1,675,937,207.07x = 2,312,865,028.04 × 933,381,150.75 - Step 4: Simplify right side
1,675,937,207.07x = 2,158,784,621,401,406,208 - Step 5: Solve for x
x = 2,158,784,621,401,406,208/1,675,937,207.07 - Step 6: Final answer
x = 1,288,105,910.11
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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.