Finding the Fourth Proportional to 2,078,317,372.88, 2,868,055,146.23 and 1,125,674,426.66
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Solution
The fourth proportional to 2,078,317,372.88, 2,868,055,146.23 and 1,125,674,426.66 is: 1,553,418,344.31
Step by Step Solution
- Step 1: Write the proportion equation
2,078,317,372.88 : 2,868,055,146.23 = 1,125,674,426.66 : x - Step 2: Convert to fraction form
2,078,317,372.88/2,868,055,146.23 = 1,125,674,426.66/x - Step 3: Cross multiply
2,078,317,372.88x = 2,868,055,146.23 × 1,125,674,426.66 - Step 4: Simplify right side
2,078,317,372.88x = 3,228,496,332,341,748,736 - Step 5: Solve for x
x = 3,228,496,332,341,748,736/2,078,317,372.88 - Step 6: Final answer
x = 1,553,418,344.31
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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.