Finding the Fourth Proportional to 692,925,901.59, 956,002,335.50 and 395,354,370.99
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Solution
The fourth proportional to 692,925,901.59, 956,002,335.50 and 395,354,370.99 is: 545,454,717.67
Step by Step Solution
- Step 1: Write the proportion equation
692,925,901.59 : 956,002,335.50 = 395,354,370.99 : x - Step 2: Convert to fraction form
692,925,901.59/956,002,335.50 = 395,354,370.99/x - Step 3: Cross multiply
692,925,901.59x = 956,002,335.50 × 395,354,370.99 - Step 4: Simplify right side
692,925,901.59x = 377,959,702,021,146,816 - Step 5: Solve for x
x = 377,959,702,021,146,816/692,925,901.59 - Step 6: Final answer
x = 545,454,717.67
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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.