Finding the Fourth Proportional to 1,201,368,870,291.20, 1,658,031,169,937.10 and 713,629,735,010.12
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Solution
The fourth proportional to 1,201,368,870,291.20, 1,658,031,169,937.10 and 713,629,735,010.12 is: 984,893,460,868.46
Step by Step Solution
- Step 1: Write the proportion equation
1,201,368,870,291.20 : 1,658,031,169,937.10 = 713,629,735,010.12 : x - Step 2: Convert to fraction form
1,201,368,870,291.20/1,658,031,169,937.10 = 713,629,735,010.12/x - Step 3: Cross multiply
1,201,368,870,291.20x = 1,658,031,169,937.10 × 713,629,735,010.12 - Step 4: Simplify right side
1,201,368,870,291.20x = 1,183,220,344,440,731,927,052,288 - Step 5: Solve for x
x = 1,183,220,344,440,731,927,052,288/1,201,368,870,291.20 - Step 6: Final answer
x = 984,893,460,868.46
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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.