Finding the Fourth Proportional to 498,495,910.96, 687,926,462.95 and 272,439,510.00
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Solution
The fourth proportional to 498,495,910.96, 687,926,462.95 and 272,439,510.00 is: 375,967,674.68
Step by Step Solution
- Step 1: Write the proportion equation
498,495,910.96 : 687,926,462.95 = 272,439,510.00 : x - Step 2: Convert to fraction form
498,495,910.96/687,926,462.95 = 272,439,510.00/x - Step 3: Cross multiply
498,495,910.96x = 687,926,462.95 × 272,439,510.00 - Step 4: Simplify right side
498,495,910.96x = 187,418,348,478,691,552 - Step 5: Solve for x
x = 187,418,348,478,691,552/498,495,910.96 - Step 6: Final answer
x = 375,967,674.68
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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.