Finding the Fourth Proportional to 453,485,147.01, 625,807,968.19 and 255,246,526.95
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Solution
The fourth proportional to 453,485,147.01, 625,807,968.19 and 255,246,526.95 is: 352,239,343.39
Step by Step Solution
- Step 1: Write the proportion equation
453,485,147.01 : 625,807,968.19 = 255,246,526.95 : x - Step 2: Convert to fraction form
453,485,147.01/625,807,968.19 = 255,246,526.95/x - Step 3: Cross multiply
453,485,147.01x = 625,807,968.19 × 255,246,526.95 - Step 4: Simplify right side
453,485,147.01x = 159,735,310,418,133,600 - Step 5: Solve for x
x = 159,735,310,418,133,600/453,485,147.01 - Step 6: Final answer
x = 352,239,343.39
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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.