Finding the Fourth Proportional to 252,704,329.34, 380,781,386.37 and 207,655,347.06
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Solution
The fourth proportional to 252,704,329.34, 380,781,386.37 and 207,655,347.06 is: 312,900,420.62
Step by Step Solution
- Step 1: Write the proportion equation
252,704,329.34 : 380,781,386.37 = 207,655,347.06 : x - Step 2: Convert to fraction form
252,704,329.34/380,781,386.37 = 207,655,347.06/x - Step 3: Cross multiply
252,704,329.34x = 380,781,386.37 × 207,655,347.06 - Step 4: Simplify right side
252,704,329.34x = 79,071,290,940,650,304 - Step 5: Solve for x
x = 79,071,290,940,650,304/252,704,329.34 - Step 6: Final answer
x = 312,900,420.62
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.