Finding the Fourth Proportional to 319,035,843.70, 478,553,765.55 and 273,119,341.30
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Solution
The fourth proportional to 319,035,843.70, 478,553,765.55 and 273,119,341.30 is: 409,679,011.95
Step by Step Solution
- Step 1: Write the proportion equation
319,035,843.70 : 478,553,765.55 = 273,119,341.30 : x - Step 2: Convert to fraction form
319,035,843.70/478,553,765.55 = 273,119,341.30/x - Step 3: Cross multiply
319,035,843.70x = 478,553,765.55 × 273,119,341.30 - Step 4: Simplify right side
319,035,843.70x = 130,702,289,223,650,640 - Step 5: Solve for x
x = 130,702,289,223,650,640/319,035,843.70 - Step 6: Final answer
x = 409,679,011.95
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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.