Finding the Fourth Proportional to 879,164,720.10, 1,318,467,095.59 and 288,817,927.90
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Solution
The fourth proportional to 879,164,720.10, 1,318,467,095.59 and 288,817,927.90 is: 433,134,913.00
Step by Step Solution
- Step 1: Write the proportion equation
879,164,720.10 : 1,318,467,095.59 = 288,817,927.90 : x - Step 2: Convert to fraction form
879,164,720.10/1,318,467,095.59 = 288,817,927.90/x - Step 3: Cross multiply
879,164,720.10x = 1,318,467,095.59 × 288,817,927.90 - Step 4: Simplify right side
879,164,720.10x = 380,796,934,552,634,944 - Step 5: Solve for x
x = 380,796,934,552,634,944/879,164,720.10 - Step 6: Final answer
x = 433,134,913.00
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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.