Finding the Fourth Proportional to 2,193,130,623.20, 3,289,372,345.80 and 640,004,929.52
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Solution
The fourth proportional to 2,193,130,623.20, 3,289,372,345.80 and 640,004,929.52 is: 959,912,963.72
Step by Step Solution
- Step 1: Write the proportion equation
2,193,130,623.20 : 3,289,372,345.80 = 640,004,929.52 : x - Step 2: Convert to fraction form
2,193,130,623.20/3,289,372,345.80 = 640,004,929.52/x - Step 3: Cross multiply
2,193,130,623.20x = 3,289,372,345.80 × 640,004,929.52 - Step 4: Simplify right side
2,193,130,623.20x = 2,105,214,516,338,766,080 - Step 5: Solve for x
x = 2,105,214,516,338,766,080/2,193,130,623.20 - Step 6: Final answer
x = 959,912,963.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.