Finding the Fourth Proportional to 348,201,972.48, 480,518,706.16 and 191,565,719.20
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Solution
The fourth proportional to 348,201,972.48, 480,518,706.16 and 191,565,719.20 is: 264,360,683.77
Step by Step Solution
- Step 1: Write the proportion equation
348,201,972.48 : 480,518,706.16 = 191,565,719.20 : x - Step 2: Convert to fraction form
348,201,972.48/480,518,706.16 = 191,565,719.20/x - Step 3: Cross multiply
348,201,972.48x = 480,518,706.16 × 191,565,719.20 - Step 4: Simplify right side
348,201,972.48x = 92,050,911,534,593,872 - Step 5: Solve for x
x = 92,050,911,534,593,872/348,201,972.48 - Step 6: Final answer
x = 264,360,683.77
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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.