Finding the Fourth Proportional to 559,815,437.64, 772,698,962.18 and 324,941,767.08
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Solution
The fourth proportional to 559,815,437.64, 772,698,962.18 and 324,941,767.08 is: 448,508,828.64
Step by Step Solution
- Step 1: Write the proportion equation
559,815,437.64 : 772,698,962.18 = 324,941,767.08 : x - Step 2: Convert to fraction form
559,815,437.64/772,698,962.18 = 324,941,767.08/x - Step 3: Cross multiply
559,815,437.64x = 772,698,962.18 × 324,941,767.08 - Step 4: Simplify right side
559,815,437.64x = 251,082,166,191,651,264 - Step 5: Solve for x
x = 251,082,166,191,651,264/559,815,437.64 - Step 6: Final answer
x = 448,508,828.64
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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.