Finding the Fourth Proportional to 452,860,903.80, 679,291,355.70 and 398,335,057.20
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Solution
The fourth proportional to 452,860,903.80, 679,291,355.70 and 398,335,057.20 is: 597,502,585.80
Step by Step Solution
- Step 1: Write the proportion equation
452,860,903.80 : 679,291,355.70 = 398,335,057.20 : x - Step 2: Convert to fraction form
452,860,903.80/679,291,355.70 = 398,335,057.20/x - Step 3: Cross multiply
452,860,903.80x = 679,291,355.70 × 398,335,057.20 - Step 4: Simplify right side
452,860,903.80x = 270,585,561,028,225,056 - Step 5: Solve for x
x = 270,585,561,028,225,056/452,860,903.80 - Step 6: Final answer
x = 597,502,585.80
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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.