Finding the Fourth Proportional to 7,889,058,638.52, 10,887,243,142.91 and 4,368,793,454.52
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Solution
The fourth proportional to 7,889,058,638.52, 10,887,243,142.91 and 4,368,793,454.52 is: 6,029,124,482.39
Step by Step Solution
- Step 1: Write the proportion equation
7,889,058,638.52 : 10,887,243,142.91 = 4,368,793,454.52 : x - Step 2: Convert to fraction form
7,889,058,638.52/10,887,243,142.91 = 4,368,793,454.52/x - Step 3: Cross multiply
7,889,058,638.52x = 10,887,243,142.91 × 4,368,793,454.52 - Step 4: Simplify right side
7,889,058,638.52x = 47,564,116,580,512,964,608 - Step 5: Solve for x
x = 47,564,116,580,512,964,608/7,889,058,638.52 - Step 6: Final answer
x = 6,029,124,482.39
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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.