Finding the Fourth Proportional to 349,713,274.67, 482,430,095.16 and 208,484,980.99
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Solution
The fourth proportional to 349,713,274.67, 482,430,095.16 and 208,484,980.99 is: 287,605,408.50
Step by Step Solution
- Step 1: Write the proportion equation
349,713,274.67 : 482,430,095.16 = 208,484,980.99 : x - Step 2: Convert to fraction form
349,713,274.67/482,430,095.16 = 208,484,980.99/x - Step 3: Cross multiply
349,713,274.67x = 482,430,095.16 × 208,484,980.99 - Step 4: Simplify right side
349,713,274.67x = 100,579,429,218,436,496 - Step 5: Solve for x
x = 100,579,429,218,436,496/349,713,274.67 - Step 6: Final answer
x = 287,605,408.50
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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.