Finding the Fourth Proportional to 472,392,593.70, 708,588,890.55 and 414,996,965.70
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Solution
The fourth proportional to 472,392,593.70, 708,588,890.55 and 414,996,965.70 is: 622,495,448.55
Step by Step Solution
- Step 1: Write the proportion equation
472,392,593.70 : 708,588,890.55 = 414,996,965.70 : x - Step 2: Convert to fraction form
472,392,593.70/708,588,890.55 = 414,996,965.70/x - Step 3: Cross multiply
472,392,593.70x = 708,588,890.55 × 414,996,965.70 - Step 4: Simplify right side
472,392,593.70x = 294,062,239,506,979,392 - Step 5: Solve for x
x = 294,062,239,506,979,392/472,392,593.70 - Step 6: Final answer
x = 622,495,448.55
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1.5x scale
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.