Finding the Fourth Proportional to 852,519,468.60, 1,176,464,448.36 and 476,181,411.48
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Solution
The fourth proportional to 852,519,468.60, 1,176,464,448.36 and 476,181,411.48 is: 657,123,411.50
Step by Step Solution
- Step 1: Write the proportion equation
852,519,468.60 : 1,176,464,448.36 = 476,181,411.48 : x - Step 2: Convert to fraction form
852,519,468.60/1,176,464,448.36 = 476,181,411.48/x - Step 3: Cross multiply
852,519,468.60x = 1,176,464,448.36 × 476,181,411.48 - Step 4: Simplify right side
852,519,468.60x = 560,210,501,576,104,320 - Step 5: Solve for x
x = 560,210,501,576,104,320/852,519,468.60 - Step 6: Final answer
x = 657,123,411.50
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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.