Finding the Fourth Proportional to 679,562,274.21, 937,264,661.76 and 441,484,166.98
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Solution
The fourth proportional to 679,562,274.21, 937,264,661.76 and 441,484,166.98 is: 608,903,001.45
Step by Step Solution
- Step 1: Write the proportion equation
679,562,274.21 : 937,264,661.76 = 441,484,166.98 : x - Step 2: Convert to fraction form
679,562,274.21/937,264,661.76 = 441,484,166.98/x - Step 3: Cross multiply
679,562,274.21x = 937,264,661.76 × 441,484,166.98 - Step 4: Simplify right side
679,562,274.21x = 413,787,508,439,732,160 - Step 5: Solve for x
x = 413,787,508,439,732,160/679,562,274.21 - Step 6: Final answer
x = 608,903,001.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.