Finding the Fourth Proportional to 2,356,468,678, 3,534,720,731.70 and 1,046,018,431.09
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Solution
The fourth proportional to 2,356,468,678, 3,534,720,731.70 and 1,046,018,431.09 is: 1,569,035,510.05
Step by Step Solution
- Step 1: Write the proportion equation
2,356,468,678 : 3,534,720,731.70 = 1,046,018,431.09 : x - Step 2: Convert to fraction form
2,356,468,678/3,534,720,731.70 = 1,046,018,431.09/x - Step 3: Cross multiply
2,356,468,678x = 3,534,720,731.70 × 1,046,018,431.09 - Step 4: Simplify right side
2,356,468,678x = 3,697,383,034,114,130,944 - Step 5: Solve for x
x = 3,697,383,034,114,130,944/2,356,468,678 - Step 6: Final answer
x = 1,569,035,510.05
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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.