Finding the Fourth Proportional to 3,648,803,681.87, 5,472,652,513.93 and 993,066,711.09
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Solution
The fourth proportional to 3,648,803,681.87, 5,472,652,513.93 and 993,066,711.09 is: 1,489,449,558.47
Step by Step Solution
- Step 1: Write the proportion equation
3,648,803,681.87 : 5,472,652,513.93 = 993,066,711.09 : x - Step 2: Convert to fraction form
3,648,803,681.87/5,472,652,513.93 = 993,066,711.09/x - Step 3: Cross multiply
3,648,803,681.87x = 5,472,652,513.93 × 993,066,711.09 - Step 4: Simplify right side
3,648,803,681.87x = 5,434,709,032,914,556,928 - Step 5: Solve for x
x = 5,434,709,032,914,556,928/3,648,803,681.87 - Step 6: Final answer
x = 1,489,449,558.47
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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.