Finding the Fourth Proportional to 1,197,583,058.90, 1,796,438,029.12 and 369,105,733.67
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Solution
The fourth proportional to 1,197,583,058.90, 1,796,438,029.12 and 369,105,733.67 is: 553,678,153.50
Step by Step Solution
- Step 1: Write the proportion equation
1,197,583,058.90 : 1,796,438,029.12 = 369,105,733.67 : x - Step 2: Convert to fraction form
1,197,583,058.90/1,796,438,029.12 = 369,105,733.67/x - Step 3: Cross multiply
1,197,583,058.90x = 1,796,438,029.12 × 369,105,733.67 - Step 4: Simplify right side
1,197,583,058.90x = 663,075,576,721,121,536 - Step 5: Solve for x
x = 663,075,576,721,121,536/1,197,583,058.90 - Step 6: Final answer
x = 553,678,153.50
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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.