Finding the Fourth Proportional to 472,392,029.70, 708,588,044.55 and 411,925,853.70
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Solution
The fourth proportional to 472,392,029.70, 708,588,044.55 and 411,925,853.70 is: 617,888,780.55
Step by Step Solution
- Step 1: Write the proportion equation
472,392,029.70 : 708,588,044.55 = 411,925,853.70 : x - Step 2: Convert to fraction form
472,392,029.70/708,588,044.55 = 411,925,853.70/x - Step 3: Cross multiply
472,392,029.70x = 708,588,044.55 × 411,925,853.70 - Step 4: Simplify right side
472,392,029.70x = 291,885,735,172,872,384 - Step 5: Solve for x
x = 291,885,735,172,872,384/472,392,029.70 - Step 6: Final answer
x = 617,888,780.55
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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.