Finding the Fourth Proportional to 452,860,904.80, 679,291,357.20 and 194,102,281.90
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Solution
The fourth proportional to 452,860,904.80, 679,291,357.20 and 194,102,281.90 is: 291,153,422.85
Step by Step Solution
- Step 1: Write the proportion equation
452,860,904.80 : 679,291,357.20 = 194,102,281.90 : x - Step 2: Convert to fraction form
452,860,904.80/679,291,357.20 = 194,102,281.90/x - Step 3: Cross multiply
452,860,904.80x = 679,291,357.20 × 194,102,281.90 - Step 4: Simplify right side
452,860,904.80x = 131,852,002,507,468,000 - Step 5: Solve for x
x = 131,852,002,507,468,000/452,860,904.80 - Step 6: Final answer
x = 291,153,422.85
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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.