Finding the Fourth Proportional to 519,312,022.68, 779,113,663.64 and 208,637,797.84
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Solution
The fourth proportional to 519,312,022.68, 779,113,663.64 and 208,637,797.84 is: 313,015,204.64
Step by Step Solution
- Step 1: Write the proportion equation
519,312,022.68 : 779,113,663.64 = 208,637,797.84 : x - Step 2: Convert to fraction form
519,312,022.68/779,113,663.64 = 208,637,797.84/x - Step 3: Cross multiply
519,312,022.68x = 779,113,663.64 × 208,637,797.84 - Step 4: Simplify right side
519,312,022.68x = 162,552,559,048,904,064 - Step 5: Solve for x
x = 162,552,559,048,904,064/519,312,022.68 - Step 6: Final answer
x = 313,015,204.64
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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.