Finding the Fourth Proportional to 3,895,894,508.99, 5,376,190,387.67 and 2,111,709,655.01
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Solution
The fourth proportional to 3,895,894,508.99, 5,376,190,387.67 and 2,111,709,655.01 is: 2,914,081,252.10
Step by Step Solution
- Step 1: Write the proportion equation
3,895,894,508.99 : 5,376,190,387.67 = 2,111,709,655.01 : x - Step 2: Convert to fraction form
3,895,894,508.99/5,376,190,387.67 = 2,111,709,655.01/x - Step 3: Cross multiply
3,895,894,508.99x = 5,376,190,387.67 × 2,111,709,655.01 - Step 4: Simplify right side
3,895,894,508.99x = 11,352,953,148,804,134,912 - Step 5: Solve for x
x = 11,352,953,148,804,134,912/3,895,894,508.99 - Step 6: Final answer
x = 2,914,081,252.10
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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.