Finding the Fourth Proportional to 7,447,114,497.60, 11,170,671,746.40 and 3,302,158,132.80
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Solution
The fourth proportional to 7,447,114,497.60, 11,170,671,746.40 and 3,302,158,132.80 is: 4,953,237,199.20
Step by Step Solution
- Step 1: Write the proportion equation
7,447,114,497.60 : 11,170,671,746.40 = 3,302,158,132.80 : x - Step 2: Convert to fraction form
7,447,114,497.60/11,170,671,746.40 = 3,302,158,132.80/x - Step 3: Cross multiply
7,447,114,497.60x = 11,170,671,746.40 × 3,302,158,132.80 - Step 4: Simplify right side
7,447,114,497.60x = 36,887,324,556,213,940,224 - Step 5: Solve for x
x = 36,887,324,556,213,940,224/7,447,114,497.60 - Step 6: Final answer
x = 4,953,237,199.20
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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.