Finding the Fourth Proportional to 1,377,895,246,448.20, 1,901,488,810,320.30 and 760,592,564,793.75
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Solution
The fourth proportional to 1,377,895,246,448.20, 1,901,488,810,320.30 and 760,592,564,793.75 is: 1,049,614,079,804.80
Step by Step Solution
- Step 1: Write the proportion equation
1,377,895,246,448.20 : 1,901,488,810,320.30 = 760,592,564,793.75 : x - Step 2: Convert to fraction form
1,377,895,246,448.20/1,901,488,810,320.30 = 760,592,564,793.75/x - Step 3: Cross multiply
1,377,895,246,448.20x = 1,901,488,810,320.30 × 760,592,564,793.75 - Step 4: Simplify right side
1,377,895,246,448.20x = 1,446,258,251,168,133,521,866,752 - Step 5: Solve for x
x = 1,446,258,251,168,133,521,866,752/1,377,895,246,448.20 - Step 6: Final answer
x = 1,049,614,079,804.80
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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.