Finding the Fourth Proportional to 824,257,848.30, 1,236,386,772.45 and 773,239,512.30
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Solution
The fourth proportional to 824,257,848.30, 1,236,386,772.45 and 773,239,512.30 is: 1,159,859,268.45
Step by Step Solution
- Step 1: Write the proportion equation
824,257,848.30 : 1,236,386,772.45 = 773,239,512.30 : x - Step 2: Convert to fraction form
824,257,848.30/1,236,386,772.45 = 773,239,512.30/x - Step 3: Cross multiply
824,257,848.30x = 1,236,386,772.45 × 773,239,512.30 - Step 4: Simplify right side
824,257,848.30x = 956,023,104,943,409,024 - Step 5: Solve for x
x = 956,023,104,943,409,024/824,257,848.30 - Step 6: Final answer
x = 1,159,859,268.45
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1.5x scale
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.