Finding the Fourth Proportional to 2,078,319,425.31, 2,868,057,973.94 and 1,125,676,462.68
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Solution
The fourth proportional to 2,078,319,425.31, 2,868,057,973.94 and 1,125,676,462.68 is: 1,553,421,151.51
Step by Step Solution
- Step 1: Write the proportion equation
2,078,319,425.31 : 2,868,057,973.94 = 1,125,676,462.68 : x - Step 2: Convert to fraction form
2,078,319,425.31/2,868,057,973.94 = 1,125,676,462.68/x - Step 3: Cross multiply
2,078,319,425.31x = 2,868,057,973.94 × 1,125,676,462.68 - Step 4: Simplify right side
2,078,319,425.31x = 3,228,505,354,860,318,720 - Step 5: Solve for x
x = 3,228,505,354,860,318,720/2,078,319,425.31 - Step 6: Final answer
x = 1,553,421,151.51
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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.