Finding the Fourth Proportional to 1,226,553,896.70, 1,839,158,998.65 and 498,720,296.70
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Solution
The fourth proportional to 1,226,553,896.70, 1,839,158,998.65 and 498,720,296.70 is: 747,807,270.40
Step by Step Solution
- Step 1: Write the proportion equation
1,226,553,896.70 : 1,839,158,998.65 = 498,720,296.70 : x - Step 2: Convert to fraction form
1,226,553,896.70/1,839,158,998.65 = 498,720,296.70/x - Step 3: Cross multiply
1,226,553,896.70x = 1,839,158,998.65 × 498,720,296.70 - Step 4: Simplify right side
1,226,553,896.70x = 917,225,921,485,202,944 - Step 5: Solve for x
x = 917,225,921,485,202,944/1,226,553,896.70 - Step 6: Final answer
x = 747,807,270.40
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1.5x scale
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.