Finding the Fourth Proportional to 442,368,020.80, 663,552,031.20 and 402,024,059.20
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Solution
The fourth proportional to 442,368,020.80, 663,552,031.20 and 402,024,059.20 is: 603,036,088.80
Step by Step Solution
- Step 1: Write the proportion equation
442,368,020.80 : 663,552,031.20 = 402,024,059.20 : x - Step 2: Convert to fraction form
442,368,020.80/663,552,031.20 = 402,024,059.20/x - Step 3: Cross multiply
442,368,020.80x = 663,552,031.20 × 402,024,059.20 - Step 4: Simplify right side
442,368,020.80x = 266,763,881,073,429,056 - Step 5: Solve for x
x = 266,763,881,073,429,056/442,368,020.80 - Step 6: Final answer
x = 603,036,088.80
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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.