Finding the Fourth Proportional to 469,675,847.68, 648,134,911.95 and 260,845,442.43
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Solution
The fourth proportional to 469,675,847.68, 648,134,911.95 and 260,845,442.43 is: 359,956,848.32
Step by Step Solution
- Step 1: Write the proportion equation
469,675,847.68 : 648,134,911.95 = 260,845,442.43 : x - Step 2: Convert to fraction form
469,675,847.68/648,134,911.95 = 260,845,442.43/x - Step 3: Cross multiply
469,675,847.68x = 648,134,911.95 × 260,845,442.43 - Step 4: Simplify right side
469,675,847.68x = 169,063,037,861,705,888 - Step 5: Solve for x
x = 169,063,037,861,705,888/469,675,847.68 - Step 6: Final answer
x = 359,956,848.32
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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.