Finding the Fourth Proportional to 12,430,167,929.14, 18,658,524,878.76 and 5,351,154,606.12
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Solution
The fourth proportional to 12,430,167,929.14, 18,658,524,878.76 and 5,351,154,606.12 is: 8,032,445,894.34
Step by Step Solution
- Step 1: Write the proportion equation
12,430,167,929.14 : 18,658,524,878.76 = 5,351,154,606.12 : x - Step 2: Convert to fraction form
12,430,167,929.14/18,658,524,878.76 = 5,351,154,606.12/x - Step 3: Cross multiply
12,430,167,929.14x = 18,658,524,878.76 × 5,351,154,606.12 - Step 4: Simplify right side
12,430,167,929.14x = 99,844,651,348,381,171,712 - Step 5: Solve for x
x = 99,844,651,348,381,171,712/12,430,167,929.14 - Step 6: Final answer
x = 8,032,445,894.34
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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.