Finding the Fourth Proportional to 1,908,169,622.66, 2,862,318,207.18 and 527,868,542.18
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Solution
The fourth proportional to 1,908,169,622.66, 2,862,318,207.18 and 527,868,542.18 is: 791,820,455.23
Step by Step Solution
- Step 1: Write the proportion equation
1,908,169,622.66 : 2,862,318,207.18 = 527,868,542.18 : x - Step 2: Convert to fraction form
1,908,169,622.66/2,862,318,207.18 = 527,868,542.18/x - Step 3: Cross multiply
1,908,169,622.66x = 2,862,318,207.18 × 527,868,542.18 - Step 4: Simplify right side
1,908,169,622.66x = 1,510,927,739,279,377,664 - Step 5: Solve for x
x = 1,510,927,739,279,377,664/1,908,169,622.66 - Step 6: Final answer
x = 791,820,455.23
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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.