Finding the Fourth Proportional to 669,307,027.95, 923,666,128.68 and 371,961,802.65
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Solution
The fourth proportional to 669,307,027.95, 923,666,128.68 and 371,961,802.65 is: 513,319,753.00
Step by Step Solution
- Step 1: Write the proportion equation
669,307,027.95 : 923,666,128.68 = 371,961,802.65 : x - Step 2: Convert to fraction form
669,307,027.95/923,666,128.68 = 371,961,802.65/x - Step 3: Cross multiply
669,307,027.95x = 923,666,128.68 × 371,961,802.65 - Step 4: Simplify right side
669,307,027.95x = 343,568,518,270,559,616 - Step 5: Solve for x
x = 343,568,518,270,559,616/669,307,027.95 - Step 6: Final answer
x = 513,319,753.00
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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.