Finding the Fourth Proportional to 292,707,648.24, 438,949,867.32 and 98,566,938.96
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Solution
The fourth proportional to 292,707,648.24, 438,949,867.32 and 98,566,938.96 is: 147,812,826.34
Step by Step Solution
- Step 1: Write the proportion equation
292,707,648.24 : 438,949,867.32 = 98,566,938.96 : x - Step 2: Convert to fraction form
292,707,648.24/438,949,867.32 = 98,566,938.96/x - Step 3: Cross multiply
292,707,648.24x = 438,949,867.32 × 98,566,938.96 - Step 4: Simplify right side
292,707,648.24x = 43,265,944,778,630,536 - Step 5: Solve for x
x = 43,265,944,778,630,536/292,707,648.24 - Step 6: Final answer
x = 147,812,826.34
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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.