Finding the Fourth Proportional to 454,051,908.95, 681,013,193.49 and 143,119,116.09
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Solution
The fourth proportional to 454,051,908.95, 681,013,193.49 and 143,119,116.09 is: 214,658,289.90
Step by Step Solution
- Step 1: Write the proportion equation
454,051,908.95 : 681,013,193.49 = 143,119,116.09 : x - Step 2: Convert to fraction form
454,051,908.95/681,013,193.49 = 143,119,116.09/x - Step 3: Cross multiply
454,051,908.95x = 681,013,193.49 × 143,119,116.09 - Step 4: Simplify right side
454,051,908.95x = 97,466,006,297,916,944 - Step 5: Solve for x
x = 97,466,006,297,916,944/454,051,908.95 - Step 6: Final answer
x = 214,658,289.90
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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.