Finding the Fourth Proportional to 19,352,518,420.01, 26,707,817,675.84 and 11,731,885,516.74
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Solution
The fourth proportional to 19,352,518,420.01, 26,707,817,675.84 and 11,731,885,516.74 is: 16,190,815,715.80
Step by Step Solution
- Step 1: Write the proportion equation
19,352,518,420.01 : 26,707,817,675.84 = 11,731,885,516.74 : x - Step 2: Convert to fraction form
19,352,518,420.01/26,707,817,675.84 = 11,731,885,516.74/x - Step 3: Cross multiply
19,352,518,420.01x = 26,707,817,675.84 × 11,731,885,516.74 - Step 4: Simplify right side
19,352,518,420.01x = 313,333,059,374,861,189,120 - Step 5: Solve for x
x = 313,333,059,374,861,189,120/19,352,518,420.01 - Step 6: Final answer
x = 16,190,815,715.80
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Double scale
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1.5x scale
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.