Finding the Fourth Proportional to 910,874,030.64, 1,366,395,039.72 and 297,461,471.28
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Solution
The fourth proportional to 910,874,030.64, 1,366,395,039.72 and 297,461,471.28 is: 446,219,636.52
Step by Step Solution
- Step 1: Write the proportion equation
910,874,030.64 : 1,366,395,039.72 = 297,461,471.28 : x - Step 2: Convert to fraction form
910,874,030.64/1,366,395,039.72 = 297,461,471.28/x - Step 3: Cross multiply
910,874,030.64x = 1,366,395,039.72 × 297,461,471.28 - Step 4: Simplify right side
910,874,030.64x = 406,449,878,864,805,184 - Step 5: Solve for x
x = 406,449,878,864,805,184/910,874,030.64 - Step 6: Final answer
x = 446,219,636.52
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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.