Finding the Fourth Proportional to 1,168,156,463.60, 1,752,120,820.20 and 306,513,455.60
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Solution
The fourth proportional to 1,168,156,463.60, 1,752,120,820.20 and 306,513,455.60 is: 459,740,303.60
Step by Step Solution
- Step 1: Write the proportion equation
1,168,156,463.60 : 1,752,120,820.20 = 306,513,455.60 : x - Step 2: Convert to fraction form
1,168,156,463.60/1,752,120,820.20 = 306,513,455.60/x - Step 3: Cross multiply
1,168,156,463.60x = 1,752,120,820.20 × 306,513,455.60 - Step 4: Simplify right side
1,168,156,463.60x = 537,048,607,228,208,320 - Step 5: Solve for x
x = 537,048,607,228,208,320/1,168,156,463.60 - Step 6: Final answer
x = 459,740,303.60
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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.