Finding the Fourth Proportional to 1,201,368,870,415.80, 1,658,031,170,109.60 and 713,629,735,134.52
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Solution
The fourth proportional to 1,201,368,870,415.80, 1,658,031,170,109.60 and 713,629,735,134.52 is: 984,893,461,040.47
Step by Step Solution
- Step 1: Write the proportion equation
1,201,368,870,415.80 : 1,658,031,170,109.60 = 713,629,735,134.52 : x - Step 2: Convert to fraction form
1,201,368,870,415.80/1,658,031,170,109.60 = 713,629,735,134.52/x - Step 3: Cross multiply
1,201,368,870,415.80x = 1,658,031,170,109.60 × 713,629,735,134.52 - Step 4: Simplify right side
1,201,368,870,415.80x = 1,183,220,344,770,092,165,234,688 - Step 5: Solve for x
x = 1,183,220,344,770,092,165,234,688/1,201,368,870,415.80 - Step 6: Final answer
x = 984,893,461,040.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.