Finding the Fourth Proportional to 69,108,158,279.13, 103,662,237,418.70 and 19,421,480,564.88
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Solution
The fourth proportional to 69,108,158,279.13, 103,662,237,418.70 and 19,421,480,564.88 is: 29,132,220,847.32
Step by Step Solution
- Step 1: Write the proportion equation
69,108,158,279.13 : 103,662,237,418.70 = 19,421,480,564.88 : x - Step 2: Convert to fraction form
69,108,158,279.13/103,662,237,418.70 = 19,421,480,564.88/x - Step 3: Cross multiply
69,108,158,279.13x = 103,662,237,418.70 × 19,421,480,564.88 - Step 4: Simplify right side
69,108,158,279.13x = 2,013,274,129,339,258,503,168 - Step 5: Solve for x
x = 2,013,274,129,339,258,503,168/69,108,158,279.13 - Step 6: Final answer
x = 29,132,220,847.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.