Finding the Fourth Proportional to 1,450,072,118.16, 2,001,339,513.99 and 855,501,963.48
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Solution
The fourth proportional to 1,450,072,118.16, 2,001,339,513.99 and 855,501,963.48 is: 1,180,734,297.53
Step by Step Solution
- Step 1: Write the proportion equation
1,450,072,118.16 : 2,001,339,513.99 = 855,501,963.48 : x - Step 2: Convert to fraction form
1,450,072,118.16/2,001,339,513.99 = 855,501,963.48/x - Step 3: Cross multiply
1,450,072,118.16x = 2,001,339,513.99 × 855,501,963.48 - Step 4: Simplify right side
1,450,072,118.16x = 1,712,149,883,808,553,984 - Step 5: Solve for x
x = 1,712,149,883,808,553,984/1,450,072,118.16 - Step 6: Final answer
x = 1,180,734,297.53
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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.