Finding the Fourth Proportional to 1,224,086,623,218.20, 1,689,781,277,062.30 and 790,750,348,673.10
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Solution
The fourth proportional to 1,224,086,623,218.20, 1,689,781,277,062.30 and 790,750,348,673.10 is: 1,091,585,439,031.55
Step by Step Solution
- Step 1: Write the proportion equation
1,224,086,623,218.20 : 1,689,781,277,062.30 = 790,750,348,673.10 : x - Step 2: Convert to fraction form
1,224,086,623,218.20/1,689,781,277,062.30 = 790,750,348,673.10/x - Step 3: Cross multiply
1,224,086,623,218.20x = 1,689,781,277,062.30 × 790,750,348,673.10 - Step 4: Simplify right side
1,224,086,623,218.20x = 1,336,195,134,018,290,049,875,968 - Step 5: Solve for x
x = 1,336,195,134,018,290,049,875,968/1,224,086,623,218.20 - Step 6: Final answer
x = 1,091,585,439,031.55
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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.