Finding the Fourth Proportional to 524,438,541.26, 723,725,331.64 and 289,489,354.46
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Solution
The fourth proportional to 524,438,541.26, 723,725,331.64 and 289,489,354.46 is: 399,495,389.03
Step by Step Solution
- Step 1: Write the proportion equation
524,438,541.26 : 723,725,331.64 = 289,489,354.46 : x - Step 2: Convert to fraction form
524,438,541.26/723,725,331.64 = 289,489,354.46/x - Step 3: Cross multiply
524,438,541.26x = 723,725,331.64 × 289,489,354.46 - Step 4: Simplify right side
524,438,541.26x = 209,510,779,062,812,992 - Step 5: Solve for x
x = 209,510,779,062,812,992/524,438,541.26 - Step 6: Final answer
x = 399,495,389.03
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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.