Finding the Fourth Proportional to 514,991,214.08, 710,666,242.08 and 291,987,897.92
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Solution
The fourth proportional to 514,991,214.08, 710,666,242.08 and 291,987,897.92 is: 402,931,033.53
Step by Step Solution
- Step 1: Write the proportion equation
514,991,214.08 : 710,666,242.08 = 291,987,897.92 : x - Step 2: Convert to fraction form
514,991,214.08/710,666,242.08 = 291,987,897.92/x - Step 3: Cross multiply
514,991,214.08x = 710,666,242.08 × 291,987,897.92 - Step 4: Simplify right side
514,991,214.08x = 207,505,942,147,645,088 - Step 5: Solve for x
x = 207,505,942,147,645,088/514,991,214.08 - Step 6: Final answer
x = 402,931,033.53
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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.