Finding the Fourth Proportional to 617,701,390.02, 926,551,302.57 and 157,639,569.66
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Solution
The fourth proportional to 617,701,390.02, 926,551,302.57 and 157,639,569.66 is: 236,459,154.80
Step by Step Solution
- Step 1: Write the proportion equation
617,701,390.02 : 926,551,302.57 = 157,639,569.66 : x - Step 2: Convert to fraction form
617,701,390.02/926,551,302.57 = 157,639,569.66/x - Step 3: Cross multiply
617,701,390.02x = 926,551,302.57 × 157,639,569.66 - Step 4: Simplify right side
617,701,390.02x = 146,061,148,605,047,264 - Step 5: Solve for x
x = 146,061,148,605,047,264/617,701,390.02 - Step 6: Final answer
x = 236,459,154.80
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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.