Finding the Fourth Proportional to 637,632,148.90, 956,448,223.35 and 177,641,313.70
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Solution
The fourth proportional to 637,632,148.90, 956,448,223.35 and 177,641,313.70 is: 266,461,970.55
Step by Step Solution
- Step 1: Write the proportion equation
637,632,148.90 : 956,448,223.35 = 177,641,313.70 : x - Step 2: Convert to fraction form
637,632,148.90/956,448,223.35 = 177,641,313.70/x - Step 3: Cross multiply
637,632,148.90x = 956,448,223.35 × 177,641,313.70 - Step 4: Simplify right side
637,632,148.90x = 169,904,718,881,924,992 - Step 5: Solve for x
x = 169,904,718,881,924,992/637,632,148.90 - Step 6: Final answer
x = 266,461,970.55
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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.