Finding the Fourth Proportional to 1,163,790,146,887.70, 1,745,685,220,331.50 and 687,727,850,004.52
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Solution
The fourth proportional to 1,163,790,146,887.70, 1,745,685,220,331.50 and 687,727,850,004.52 is: 1,031,591,775,006.75
Step by Step Solution
- Step 1: Write the proportion equation
1,163,790,146,887.70 : 1,745,685,220,331.50 = 687,727,850,004.52 : x - Step 2: Convert to fraction form
1,163,790,146,887.70/1,745,685,220,331.50 = 687,727,850,004.52/x - Step 3: Cross multiply
1,163,790,146,887.70x = 1,745,685,220,331.50 × 687,727,850,004.52 - Step 4: Simplify right side
1,163,790,146,887.70x = 1,200,556,343,363,249,255,743,488 - Step 5: Solve for x
x = 1,200,556,343,363,249,255,743,488/1,163,790,146,887.70 - Step 6: Final answer
x = 1,031,591,775,006.75
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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.