Finding the Fourth Proportional to 1,007,749,325.84, 1,391,290,622.55 and 895,931,316.68
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Solution
The fourth proportional to 1,007,749,325.84, 1,391,290,622.55 and 895,931,316.68 is: 1,236,915,577.50
Step by Step Solution
- Step 1: Write the proportion equation
1,007,749,325.84 : 1,391,290,622.55 = 895,931,316.68 : x - Step 2: Convert to fraction form
1,007,749,325.84/1,391,290,622.55 = 895,931,316.68/x - Step 3: Cross multiply
1,007,749,325.84x = 1,391,290,622.55 × 895,931,316.68 - Step 4: Simplify right side
1,007,749,325.84x = 1,246,500,839,345,758,208 - Step 5: Solve for x
x = 1,246,500,839,345,758,208/1,007,749,325.84 - Step 6: Final answer
x = 1,236,915,577.50
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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.