Finding the Fourth Proportional to 348,201,746.06, 480,518,393.36 and 191,565,490.05
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Solution
The fourth proportional to 348,201,746.06, 480,518,393.36 and 191,565,490.05 is: 264,360,367.36
Step by Step Solution
- Step 1: Write the proportion equation
348,201,746.06 : 480,518,393.36 = 191,565,490.05 : x - Step 2: Convert to fraction form
348,201,746.06/480,518,393.36 = 191,565,490.05/x - Step 3: Cross multiply
348,201,746.06x = 480,518,393.36 × 191,565,490.05 - Step 4: Simplify right side
348,201,746.06x = 92,050,741,501,089,248 - Step 5: Solve for x
x = 92,050,741,501,089,248/348,201,746.06 - Step 6: Final answer
x = 264,360,367.36
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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.