Finding the Fourth Proportional to 374,579,989,934.10, 516,831,789,275.34 and 211,999,635,780.02
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Solution
The fourth proportional to 374,579,989,934.10, 516,831,789,275.34 and 211,999,635,780.02 is: 292,509,354,557.85
Step by Step Solution
- Step 1: Write the proportion equation
374,579,989,934.10 : 516,831,789,275.34 = 211,999,635,780.02 : x - Step 2: Convert to fraction form
374,579,989,934.10/516,831,789,275.34 = 211,999,635,780.02/x - Step 3: Cross multiply
374,579,989,934.10x = 516,831,789,275.34 × 211,999,635,780.02 - Step 4: Simplify right side
374,579,989,934.10x = 109,568,151,085,908,118,994,944 - Step 5: Solve for x
x = 109,568,151,085,908,118,994,944/374,579,989,934.10 - Step 6: Final answer
x = 292,509,354,557.85
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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.