Finding the Fourth Proportional to 764,201,805.29, 1,053,945,079.42 and 526,426,465.97
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Solution
The fourth proportional to 764,201,805.29, 1,053,945,079.42 and 526,426,465.97 is: 726,018,415.10
Step by Step Solution
- Step 1: Write the proportion equation
764,201,805.29 : 1,053,945,079.42 = 526,426,465.97 : x - Step 2: Convert to fraction form
764,201,805.29/1,053,945,079.42 = 526,426,465.97/x - Step 3: Cross multiply
764,201,805.29x = 1,053,945,079.42 × 526,426,465.97 - Step 4: Simplify right side
764,201,805.29x = 554,824,583,489,334,592 - Step 5: Solve for x
x = 554,824,583,489,334,592/764,201,805.29 - Step 6: Final answer
x = 726,018,415.10
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Double scale
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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.