Finding the Fourth Proportional to 383,521,924.12, 529,260,026.70 and 207,309,922.42
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Solution
The fourth proportional to 383,521,924.12, 529,260,026.70 and 207,309,922.42 is: 286,087,569.38
Step by Step Solution
- Step 1: Write the proportion equation
383,521,924.12 : 529,260,026.70 = 207,309,922.42 : x - Step 2: Convert to fraction form
383,521,924.12/529,260,026.70 = 207,309,922.42/x - Step 3: Cross multiply
383,521,924.12x = 529,260,026.70 × 207,309,922.42 - Step 4: Simplify right side
383,521,924.12x = 109,720,855,075,184,112 - Step 5: Solve for x
x = 109,720,855,075,184,112/383,521,924.12 - Step 6: Final answer
x = 286,087,569.38
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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.