Finding the Fourth Proportional to 7,889,058,638.02, 10,887,243,142.22 and 4,368,793,454.02
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Solution
The fourth proportional to 7,889,058,638.02, 10,887,243,142.22 and 4,368,793,454.02 is: 6,029,124,481.70
Step by Step Solution
- Step 1: Write the proportion equation
7,889,058,638.02 : 10,887,243,142.22 = 4,368,793,454.02 : x - Step 2: Convert to fraction form
7,889,058,638.02/10,887,243,142.22 = 4,368,793,454.02/x - Step 3: Cross multiply
7,889,058,638.02x = 10,887,243,142.22 × 4,368,793,454.02 - Step 4: Simplify right side
7,889,058,638.02x = 47,564,116,572,054,872,064 - Step 5: Solve for x
x = 47,564,116,572,054,872,064/7,889,058,638.02 - Step 6: Final answer
x = 6,029,124,481.70
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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.