Finding the Fourth Proportional to 319,713,337.53, 478,707,746.18 and 208,774,192.41
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Solution
The fourth proportional to 319,713,337.53, 478,707,746.18 and 208,774,192.41 is: 312,598,229.03
Step by Step Solution
- Step 1: Write the proportion equation
319,713,337.53 : 478,707,746.18 = 208,774,192.41 : x - Step 2: Convert to fraction form
319,713,337.53/478,707,746.18 = 208,774,192.41/x - Step 3: Cross multiply
319,713,337.53x = 478,707,746.18 × 208,774,192.41 - Step 4: Simplify right side
319,713,337.53x = 99,941,823,108,096,896 - Step 5: Solve for x
x = 99,941,823,108,096,896/319,713,337.53 - Step 6: Final answer
x = 312,598,229.03
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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.