Finding the Fourth Proportional to 657,441,293.68, 907,283,671.52 and 375,178,114.84
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Solution
The fourth proportional to 657,441,293.68, 907,283,671.52 and 375,178,114.84 is: 517,754,179.39
Step by Step Solution
- Step 1: Write the proportion equation
657,441,293.68 : 907,283,671.52 = 375,178,114.84 : x - Step 2: Convert to fraction form
657,441,293.68/907,283,671.52 = 375,178,114.84/x - Step 3: Cross multiply
657,441,293.68x = 907,283,671.52 × 375,178,114.84 - Step 4: Simplify right side
657,441,293.68x = 340,392,977,505,987,392 - Step 5: Solve for x
x = 340,392,977,505,987,392/657,441,293.68 - Step 6: Final answer
x = 517,754,179.39
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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.