Finding the Fourth Proportional to 968,602,951.12, 1,336,714,398.12 and 545,243,906.56
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Solution
The fourth proportional to 968,602,951.12, 1,336,714,398.12 and 545,243,906.56 is: 752,460,416.87
Step by Step Solution
- Step 1: Write the proportion equation
968,602,951.12 : 1,336,714,398.12 = 545,243,906.56 : x - Step 2: Convert to fraction form
968,602,951.12/1,336,714,398.12 = 545,243,906.56/x - Step 3: Cross multiply
968,602,951.12x = 1,336,714,398.12 × 545,243,906.56 - Step 4: Simplify right side
968,602,951.12x = 728,835,380,385,947,776 - Step 5: Solve for x
x = 728,835,380,385,947,776/968,602,951.12 - Step 6: Final answer
x = 752,460,416.87
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1.5x scale
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.