Finding the Fourth Proportional to 571,899,721.18, 857,457,952.68 and 291,237,355
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Solution
The fourth proportional to 571,899,721.18, 857,457,952.68 and 291,237,355 is: 436,656,597.15
Step by Step Solution
- Step 1: Write the proportion equation
571,899,721.18 : 857,457,952.68 = 291,237,355 : x - Step 2: Convert to fraction form
571,899,721.18/857,457,952.68 = 291,237,355/x - Step 3: Cross multiply
571,899,721.18x = 857,457,952.68 × 291,237,355 - Step 4: Simplify right side
571,899,721.18x = 249,723,786,162,238,336 - Step 5: Solve for x
x = 249,723,786,162,238,336/571,899,721.18 - Step 6: Final answer
x = 436,656,597.15
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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.