Finding the Fourth Proportional to 7,864,535,680.24, 10,855,645,645.28 and 6,259,934,029.30
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Solution
The fourth proportional to 7,864,535,680.24, 10,855,645,645.28 and 6,259,934,029.30 is: 8,640,767,662.31
Step by Step Solution
- Step 1: Write the proportion equation
7,864,535,680.24 : 10,855,645,645.28 = 6,259,934,029.30 : x - Step 2: Convert to fraction form
7,864,535,680.24/10,855,645,645.28 = 6,259,934,029.30/x - Step 3: Cross multiply
7,864,535,680.24x = 10,855,645,645.28 × 6,259,934,029.30 - Step 4: Simplify right side
7,864,535,680.24x = 67,955,625,584,910,639,104 - Step 5: Solve for x
x = 67,955,625,584,910,639,104/7,864,535,680.24 - Step 6: Final answer
x = 8,640,767,662.31
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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.