Finding the Fourth Proportional to 1,991,673,352.08, 2,748,750,239.36 and 1,133,556,569.28
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Solution
The fourth proportional to 1,991,673,352.08, 2,748,750,239.36 and 1,133,556,569.28 is: 1,564,445,237.91
Step by Step Solution
- Step 1: Write the proportion equation
1,991,673,352.08 : 2,748,750,239.36 = 1,133,556,569.28 : x - Step 2: Convert to fraction form
1,991,673,352.08/2,748,750,239.36 = 1,133,556,569.28/x - Step 3: Cross multiply
1,991,673,352.08x = 2,748,750,239.36 × 1,133,556,569.28 - Step 4: Simplify right side
1,991,673,352.08x = 3,115,863,891,136,500,736 - Step 5: Solve for x
x = 3,115,863,891,136,500,736/1,991,673,352.08 - Step 6: Final answer
x = 1,564,445,237.91
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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.