Finding the Fourth Proportional to 909,096,285.48, 1,254,553,246.02 and 491,408,569.68
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Solution
The fourth proportional to 909,096,285.48, 1,254,553,246.02 and 491,408,569.68 is: 678,144,027.27
Step by Step Solution
- Step 1: Write the proportion equation
909,096,285.48 : 1,254,553,246.02 = 491,408,569.68 : x - Step 2: Convert to fraction form
909,096,285.48/1,254,553,246.02 = 491,408,569.68/x - Step 3: Cross multiply
909,096,285.48x = 1,254,553,246.02 × 491,408,569.68 - Step 4: Simplify right side
909,096,285.48x = 616,498,216,214,089,344 - Step 5: Solve for x
x = 616,498,216,214,089,344/909,096,285.48 - Step 6: Final answer
x = 678,144,027.27
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1.5x scale
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.