Finding the Fourth Proportional to 948,852,418.43, 1,424,196,732.95 and 457,911,290.99
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Solution
The fourth proportional to 948,852,418.43, 1,424,196,732.95 and 457,911,290.99 is: 687,310,009.37
Step by Step Solution
- Step 1: Write the proportion equation
948,852,418.43 : 1,424,196,732.95 = 457,911,290.99 : x - Step 2: Convert to fraction form
948,852,418.43/1,424,196,732.95 = 457,911,290.99/x - Step 3: Cross multiply
948,852,418.43x = 1,424,196,732.95 × 457,911,290.99 - Step 4: Simplify right side
948,852,418.43x = 652,155,764,599,464,192 - Step 5: Solve for x
x = 652,155,764,599,464,192/948,852,418.43 - Step 6: Final answer
x = 687,310,009.37
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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.