Finding the Fourth Proportional to 2,913,147,829.65, 4,020,136,443.48 and 1,625,646,198.07
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Solution
The fourth proportional to 2,913,147,829.65, 4,020,136,443.48 and 1,625,646,198.07 is: 2,243,387,533.77
Step by Step Solution
- Step 1: Write the proportion equation
2,913,147,829.65 : 4,020,136,443.48 = 1,625,646,198.07 : x - Step 2: Convert to fraction form
2,913,147,829.65/4,020,136,443.48 = 1,625,646,198.07/x - Step 3: Cross multiply
2,913,147,829.65x = 4,020,136,443.48 × 1,625,646,198.07 - Step 4: Simplify right side
2,913,147,829.65x = 6,535,319,525,065,913,344 - Step 5: Solve for x
x = 6,535,319,525,065,913,344/2,913,147,829.65 - Step 6: Final answer
x = 2,243,387,533.77
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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.