Finding the Fourth Proportional to 1,991,673,389.16, 2,748,750,290.37 and 1,133,556,606.36
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Solution
The fourth proportional to 1,991,673,389.16, 2,748,750,290.37 and 1,133,556,606.36 is: 1,564,445,288.99
Step by Step Solution
- Step 1: Write the proportion equation
1,991,673,389.16 : 2,748,750,290.37 = 1,133,556,606.36 : x - Step 2: Convert to fraction form
1,991,673,389.16/2,748,750,290.37 = 1,133,556,606.36/x - Step 3: Cross multiply
1,991,673,389.16x = 2,748,750,290.37 × 1,133,556,606.36 - Step 4: Simplify right side
1,991,673,389.16x = 3,115,864,050,882,881,536 - Step 5: Solve for x
x = 3,115,864,050,882,881,536/1,991,673,389.16 - Step 6: Final answer
x = 1,564,445,288.99
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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.