Finding the Fourth Proportional to 293,675,423.70, 440,513,135.55 and 245,899,679.70
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Solution
The fourth proportional to 293,675,423.70, 440,513,135.55 and 245,899,679.70 is: 368,849,519.55
Step by Step Solution
- Step 1: Write the proportion equation
293,675,423.70 : 440,513,135.55 = 245,899,679.70 : x - Step 2: Convert to fraction form
293,675,423.70/440,513,135.55 = 245,899,679.70/x - Step 3: Cross multiply
293,675,423.70x = 440,513,135.55 × 245,899,679.70 - Step 4: Simplify right side
293,675,423.70x = 108,322,038,935,387,680 - Step 5: Solve for x
x = 108,322,038,935,387,680/293,675,423.70 - Step 6: Final answer
x = 368,849,519.55
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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.