Finding the Fourth Proportional to 885,157,969.99, 1,222,069,270.25 and 563,467,446.51
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Solution
The fourth proportional to 885,157,969.99, 1,222,069,270.25 and 563,467,446.51 is: 777,936,000.70
Step by Step Solution
- Step 1: Write the proportion equation
885,157,969.99 : 1,222,069,270.25 = 563,467,446.51 : x - Step 2: Convert to fraction form
885,157,969.99/1,222,069,270.25 = 563,467,446.51/x - Step 3: Cross multiply
885,157,969.99x = 1,222,069,270.25 × 563,467,446.51 - Step 4: Simplify right side
885,157,969.99x = 688,596,251,166,106,624 - Step 5: Solve for x
x = 688,596,251,166,106,624/885,157,969.99 - Step 6: Final answer
x = 777,936,000.70
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1.5x scale
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.