Finding the Fourth Proportional to 612,397,887,299.12, 845,106,137,904.60 and 338,041,139,897.08
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Solution
The fourth proportional to 612,397,887,299.12, 845,106,137,904.60 and 338,041,139,897.08 is: 466,495,146,564.33
Step by Step Solution
- Step 1: Write the proportion equation
612,397,887,299.12 : 845,106,137,904.60 = 338,041,139,897.08 : x - Step 2: Convert to fraction form
612,397,887,299.12/845,106,137,904.60 = 338,041,139,897.08/x - Step 3: Cross multiply
612,397,887,299.12x = 845,106,137,904.60 × 338,041,139,897.08 - Step 4: Simplify right side
612,397,887,299.12x = 285,680,642,191,289,864,945,664 - Step 5: Solve for x
x = 285,680,642,191,289,864,945,664/612,397,887,299.12 - Step 6: Final answer
x = 466,495,146,564.33
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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.