Finding the Fourth Proportional to 479,367,276.12, 719,258,062 and 257,779,622.78
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Solution
The fourth proportional to 479,367,276.12, 719,258,062 and 257,779,622.78 is: 386,780,827.85
Step by Step Solution
- Step 1: Write the proportion equation
479,367,276.12 : 719,258,062 = 257,779,622.78 : x - Step 2: Convert to fraction form
479,367,276.12/719,258,062 = 257,779,622.78/x - Step 3: Cross multiply
479,367,276.12x = 719,258,062 × 257,779,622.78 - Step 4: Simplify right side
479,367,276.12x = 185,410,071,900,237,568 - Step 5: Solve for x
x = 185,410,071,900,237,568/479,367,276.12 - Step 6: Final answer
x = 386,780,827.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.