Finding the Fourth Proportional to 629,857,201.60, 944,785,802.40 and 424,272,203.20
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Solution
The fourth proportional to 629,857,201.60, 944,785,802.40 and 424,272,203.20 is: 636,408,304.80
Step by Step Solution
- Step 1: Write the proportion equation
629,857,201.60 : 944,785,802.40 = 424,272,203.20 : x - Step 2: Convert to fraction form
629,857,201.60/944,785,802.40 = 424,272,203.20/x - Step 3: Cross multiply
629,857,201.60x = 944,785,802.40 × 424,272,203.20 - Step 4: Simplify right side
629,857,201.60x = 400,846,353,936,327,808 - Step 5: Solve for x
x = 400,846,353,936,327,808/629,857,201.60 - Step 6: Final answer
x = 636,408,304.80
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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.