Finding the Fourth Proportional to 657,441,285.68, 907,283,660.48 and 375,178,106.84
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Solution
The fourth proportional to 657,441,285.68, 907,283,660.48 and 375,178,106.84 is: 517,754,168.35
Step by Step Solution
- Step 1: Write the proportion equation
657,441,285.68 : 907,283,660.48 = 375,178,106.84 : x - Step 2: Convert to fraction form
657,441,285.68/907,283,660.48 = 375,178,106.84/x - Step 3: Cross multiply
657,441,285.68x = 907,283,660.48 × 375,178,106.84 - Step 4: Simplify right side
657,441,285.68x = 340,392,966,105,751,680 - Step 5: Solve for x
x = 340,392,966,105,751,680/657,441,285.68 - Step 6: Final answer
x = 517,754,168.35
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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.