Finding the Fourth Proportional to 165,226,838,873.22, 247,890,838,627.53 and 84,609,622,267.74
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Solution
The fourth proportional to 165,226,838,873.22, 247,890,838,627.53 and 84,609,622,267.74 is: 126,940,334,651.09
Step by Step Solution
- Step 1: Write the proportion equation
165,226,838,873.22 : 247,890,838,627.53 = 84,609,622,267.74 : x - Step 2: Convert to fraction form
165,226,838,873.22/247,890,838,627.53 = 84,609,622,267.74/x - Step 3: Cross multiply
165,226,838,873.22x = 247,890,838,627.53 × 84,609,622,267.74 - Step 4: Simplify right side
165,226,838,873.22x = 20,973,950,219,908,605,280,256 - Step 5: Solve for x
x = 20,973,950,219,908,605,280,256/165,226,838,873.22 - Step 6: Final answer
x = 126,940,334,651.09
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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.