Finding the Fourth Proportional to 679,562,281.21, 937,264,671.42 and 441,484,173.97
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Solution
The fourth proportional to 679,562,281.21, 937,264,671.42 and 441,484,173.97 is: 608,903,011.09
Step by Step Solution
- Step 1: Write the proportion equation
679,562,281.21 : 937,264,671.42 = 441,484,173.97 : x - Step 2: Convert to fraction form
679,562,281.21/937,264,671.42 = 441,484,173.97/x - Step 3: Cross multiply
679,562,281.21x = 937,264,671.42 × 441,484,173.97 - Step 4: Simplify right side
679,562,281.21x = 413,787,519,253,122,176 - Step 5: Solve for x
x = 413,787,519,253,122,176/679,562,281.21 - Step 6: Final answer
x = 608,903,011.09
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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.