Finding the Fourth Proportional to 252,704,330.09, 380,781,387.50 and 207,655,347.81
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Solution
The fourth proportional to 252,704,330.09, 380,781,387.50 and 207,655,347.81 is: 312,900,421.75
Step by Step Solution
- Step 1: Write the proportion equation
252,704,330.09 : 380,781,387.50 = 207,655,347.81 : x - Step 2: Convert to fraction form
252,704,330.09/380,781,387.50 = 207,655,347.81/x - Step 3: Cross multiply
252,704,330.09x = 380,781,387.50 × 207,655,347.81 - Step 4: Simplify right side
252,704,330.09x = 79,071,291,461,406,032 - Step 5: Solve for x
x = 79,071,291,461,406,032/252,704,330.09 - Step 6: Final answer
x = 312,900,421.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.