Finding the Fourth Proportional to 926,834,048.58, 1,277,813,910.66 and 668,829,162.08
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Solution
The fourth proportional to 926,834,048.58, 1,277,813,910.66 and 668,829,162.08 is: 922,105,967.59
Step by Step Solution
- Step 1: Write the proportion equation
926,834,048.58 : 1,277,813,910.66 = 668,829,162.08 : x - Step 2: Convert to fraction form
926,834,048.58/1,277,813,910.66 = 668,829,162.08/x - Step 3: Cross multiply
926,834,048.58x = 1,277,813,910.66 × 668,829,162.08 - Step 4: Simplify right side
926,834,048.58x = 854,639,207,160,895,872 - Step 5: Solve for x
x = 854,639,207,160,895,872/926,834,048.58 - Step 6: Final answer
x = 922,105,967.59
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1.5x scale
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.