Finding the Fourth Proportional to 1,555,124,899.18, 2,146,072,542.83 and 850,277,358.08
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Solution
The fourth proportional to 1,555,124,899.18, 2,146,072,542.83 and 850,277,358.08 is: 1,173,382,853.64
Step by Step Solution
- Step 1: Write the proportion equation
1,555,124,899.18 : 2,146,072,542.83 = 850,277,358.08 : x - Step 2: Convert to fraction form
1,555,124,899.18/2,146,072,542.83 = 850,277,358.08/x - Step 3: Cross multiply
1,555,124,899.18x = 2,146,072,542.83 × 850,277,358.08 - Step 4: Simplify right side
1,555,124,899.18x = 1,824,756,891,971,475,712 - Step 5: Solve for x
x = 1,824,756,891,971,475,712/1,555,124,899.18 - Step 6: Final answer
x = 1,173,382,853.64
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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.