Finding the Fourth Proportional to 3,495,063,252.80, 5,242,594,879.20 and 910,134,228.80
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Solution
The fourth proportional to 3,495,063,252.80, 5,242,594,879.20 and 910,134,228.80 is: 1,365,201,343.20
Step by Step Solution
- Step 1: Write the proportion equation
3,495,063,252.80 : 5,242,594,879.20 = 910,134,228.80 : x - Step 2: Convert to fraction form
3,495,063,252.80/5,242,594,879.20 = 910,134,228.80/x - Step 3: Cross multiply
3,495,063,252.80x = 5,242,594,879.20 × 910,134,228.80 - Step 4: Simplify right side
3,495,063,252.80x = 4,771,465,047,291,521,024 - Step 5: Solve for x
x = 4,771,465,047,291,521,024/3,495,063,252.80 - Step 6: Final answer
x = 1,365,201,343.20
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1.5x scale
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.