Finding the Fourth Proportional to 298,996,877.30, 448,495,315.95 and 218,375,309.30
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Solution
The fourth proportional to 298,996,877.30, 448,495,315.95 and 218,375,309.30 is: 327,562,963.95
Step by Step Solution
- Step 1: Write the proportion equation
298,996,877.30 : 448,495,315.95 = 218,375,309.30 : x - Step 2: Convert to fraction form
298,996,877.30/448,495,315.95 = 218,375,309.30/x - Step 3: Cross multiply
298,996,877.30x = 448,495,315.95 × 218,375,309.30 - Step 4: Simplify right side
298,996,877.30x = 97,940,303,340,182,480 - Step 5: Solve for x
x = 97,940,303,340,182,480/298,996,877.30 - Step 6: Final answer
x = 327,562,963.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.