Finding the Fourth Proportional to 7,538,408,702.36, 10,402,668,438.90 and 4,321,012,134.68
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Solution
The fourth proportional to 7,538,408,702.36, 10,402,668,438.90 and 4,321,012,134.68 is: 5,962,804,397.10
Step by Step Solution
- Step 1: Write the proportion equation
7,538,408,702.36 : 10,402,668,438.90 = 4,321,012,134.68 : x - Step 2: Convert to fraction form
7,538,408,702.36/10,402,668,438.90 = 4,321,012,134.68/x - Step 3: Cross multiply
7,538,408,702.36x = 10,402,668,438.90 × 4,321,012,134.68 - Step 4: Simplify right side
7,538,408,702.36x = 44,950,056,557,539,557,376 - Step 5: Solve for x
x = 44,950,056,557,539,557,376/7,538,408,702.36 - Step 6: Final answer
x = 5,962,804,397.10
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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.